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Right ventricle structure

extends from the right atrium to the apex of the heart; forms the major portion of the anterior surface of the heart. Function: pumps deoxygenated blood from the body to the lungs. Importance in cardiovascular diseases: hypertrophy in pulmonary hypertension or pulmonary stenosis; loss of function in ischemic heart disease; origin of ventricular. Aims: To elucidate right ventricular (RV) function in patients with idiopathic pulmonary fibrosis (IPF) with and without pulmonary hypertension (PH) and its relation to other features of the disease. Methods and results: Clinical evaluation, standard Doppler echo, Doppler myocardial imaging (DMI), and 2D strain echocardiography (STE) of RV septal and lateral walls were performed in 52 IPF. Right Ventricular Structure and Function. The effect of anticancer medication on the (LV) function and structure has been extensively investigated in comparison to the right ventricle (RV). In general, it's known that deterioration of RV function is associated with significant morbidity and mortality

The right ventricle is one of the heart's four chambers. It is located in the lower right portion of the heart below the right atrium and opposite the left ventricle Structurally, the right ventricle can be subdivided into an inlet, an apical part, and an outlet. The inlet of the right ventricle, the tricuspid valve, provides a scaffold for the tricuspid annulus and other valvular structures. It is lined by trabeculae carneae and continues into a central area that becomes increasingly trabeculated Assessment of right ventricular structure and function in mouse model of pulmonary artery constriction by transthoracic echocardiography J Vis Exp. 2014 Feb 3;(84):e51041. doi: 10.3791/51041. Authors Hui-Wen Cheng 1.

Right Ventricular Morphology And Function And Long-Term Outcome: The Mesa-Right Ventricle Study Steven M. Kawut , R. G. Barr , Joao Lima , Craig Johnson , Jorge Kizer , Hari Tandri , and David Bluemk Pulmonary arterial hypertension (PAH) is a disease resulting in increased right ventricular (RV) afterload and RV remodeling. PAH results in altered RV structure and function at different scales from organ-level hemodynamics to tissue-level biomechanical properties, fiber-level architecture, and cardiomyocyte-level contractility. Biomechanical analysis of RV pathophysiology has drawn.

Right Ventricle Atlas of Human Cardiac Anatom

  1. ing cardiac symptoms and exercise capacity in chronic heart failure. It is known that right ventricle has complex anatomy and physiology. The purpose of this review paper is to demonstrate the best assessment of the right ventricle with current echocardiography
  2. Deterioration in right ventricular structure and function over time in patients with heart failure and preserved ejection fraction. Obokata M(1), Reddy YNV(1), Melenovsky V(1)(2), Pislaru S(1), Borlaug BA(1). Author information: (1)The Department of Cardiovascular Medicine, Mayo Clinic, 200 First Street SW, Rochester, MN, USA
  3. The right ventricle (RV) is the right sided pump of the heart receives deoxygenated blood from the right atrium (RA) via the tricuspid valve and transmits the blood to the lung for oxygenation. Structurally it is characterized by its position, triangular shape, trabeculated nature, with muscular walls thinner than those on the left
  4. Anatomy of the Heart . The heart is made up of four chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles
  5. Sex hormones are associated with right ventricular structure and function: the MESA-right ventricle study. Am J Respir Crit Care Med. 2011; 183:659-667. doi: 10.1164/rccm.201007-1027OC. Crossref Medline Google Scholar; 40. Noda A, Okada T, Yasuma F, Nakashima N, Yokota M. Cardiac hypertrophy in obstructive sleep apnea syndrome. Chest

The right ventricle projects to the left of the right atrium and when viewed in the cardiac short axis plane, is semilunar in shape wrapping around the anterolateral aspect of the left ventricle (LV). It has thinner walls than the left ventricle due to lower right sided pressures compared to the left ventricle The right ventricle is the most anteriorly positioned chamber of the heart, sitting directly posterior to the sternum. The distinct anatomical features of the right ventricle create an approximately 10-fold difference in vascular resistance between the right and left ventricular systems BACKGROUND: The relationship between obesity and right ventricular (RV) morphology is not well studied. We aimed to determine the association between obesity and RV structure and function in a large multiethnic population-based cohort. METHODS: The MESA-Right Ventricle Study measured RV mass and volumes by cardiac MRI in participants aged 45 to.

The right ventricle is the lower chamber situated on the right-hand side between the pulmonary artery and the right atrium. It accommodates the tricuspid valve and the pulmonary valve. In a normal heart, de-oxygenated blood passes down continuously from the right atrial chamber to the right ventricle by way of the tricuspid valve This video describes the anatomy of the right ventricle, one of the four chambers of the heart. Take a closer look at it's anatomy here in our atlas: https:/.. RIGHT VENTRICLE ANATOMY,PHYSIOLOGY, ASSESSMENT & CLINICAL SIGNIFICANCE • Within the right ventricle, a nearly circular ring of muscle known as the crista supraventricularis (supraventricular crest) forms an unobstructed opening into the outlet region. It consists of - • Parietal band • Outlet septum • Septal band, and • Moderator ban

Right Ventricular Structure and Function in Idiopathic

  1. Although the RV is usually located on the right side of the heart and connects with the pulmonary circulation, the anatomic RV is defined by its structure rather than by its position or connections
  2. The left ventricle works harder than the right ventricle. c. The aortic valve is narrower than the pulmonic valve. d. Left ventricular volume is less than right ventricular volume. Identify the structure that the catheter does not pass through on its way to the pulmonary capillaries. a. Right atrium b. Tricuspid valve c. Pulmonic valve d.
  3. The right ventricle lies anteriorly to the left ventricle, and is a complex cavity, more triangular or crescent-shaped than ellipsoid, with thin muscular walls ( Fig. 6.1 ). This distinctive structure allows its anatomical differentiation from the left ventricle, which is especially helpful in diagnosing congenital heart diseases
  4. The right ventricle: anatomy, physiology and clinical imaging. Not long ago the right ventricle (RV) was considered an unnecessary part of the normal circulation. While factually correct—ablation or replacement of the RV free wall can be well tolerated by experimental animals without reduction in cardiac output, and many surgical.

A ventricle is a cavity or chamber that can be filled with fluid, such as the cerebral ventricles. The heart ventricles are separated by a septum into the left ventricle and the right ventricle. The upper two heart chambers are called atria This is the structure that separates the left ventricle from the right ventricle. This diagram here shows it quite nicely. You've got this interventricular septum separating the right side of the heart from the left side of the heart. And it consists of two parts. You've got this thick muscular ventricular septum, which forms most of it. Most. Takes oxygen poor blood from the right ventricle to the right lung superior vena cava A vein that is the second largest vein in the human body and returns blood to the right atrium of the heart from the upper half of the body 3.3.1 Right ventricular shape, anatomy, and function. The right ventricle is difficult to describe by a simple geometric model. It has been compared to a bagpipe, but even this analogy is rather crude. The shape of the ventricle is altered in certain pathologies such as right ventricular dysplasia, volume overload, or pulmonary hypertension Anatomical Structure of the right ventricle Image Kit: RV anatomy. Curriculum. Anatomical Structure of the right ventricle (Show All

Structure of the Heart. The valve between the right ventricle and pulmonary trunk is the pulmonary semilunar valve. The valve between the left ventricle and the aorta is the aortic semilunar valve. When the ventricles contract, atrioventricular valves close to prevent blood from flowing back into the atria. When the ventricles relax. The following are key points to remember from this review on the anatomy, function, and dysfunction of the right ventricle (RV): The RV is a thin-walled, crescent-shaped structure with three distinct anatomical sections: 1) inlet comprised of the tricuspid valve, chords, and papillary muscles; 2) trabeculated apex; and 3) outlet, which supports the pulmonary valve leaflets The purpose of this Right Ventricle series is to assist the reader in measuring both volumetric and pressure-based metrics of right ventricular performance, as well as quantifying relevant structural characteristics of the right ventricle (RV). Please note this course includes a Reference section. For accurate completion status, you MUST review the reference section

The papillary muscles, trabeculae carneae and overall structure of the right and left ventricles can be seen. The trabeculae carneae are noticeably fewer and courser compared to those in human hearts. The posterior half of the right ventricle in a plastinated ovine heart. Ovine hearts have one anterior papillary muscle, one or two posterior. Obesity and Right Ventricular Structure and Function: The MESA-Right Ventricle Study Author links open overlay panel Harjit Chahal MD, MPH a Robyn L. McClelland PhD c Harikrishna Tandri MD b Aditya Jain MD, MPH a Evrim B. Turkbey MD d W. Gregory Hundley MD, MHS e R. Graham Barr MD, DrPH f Jorge Kizer MD g João A.C. Lima MD b David A. Bluemke. Left and right ventricle collectively make the apex of the heart. Since the wall of the left ventricle is thicker than that of the right ventricle, the left ventricle pumps blood with high pressure. The main difference between the right and the left ventricle is the pressure of the blood pumped by each ventricle. Also Read

Right Ventricular Structure and Function - The Early

The aim of the current study was to investigate whether alterations in N-terminal pro brain natriuretic peptide (NT-proBNP) reflect changes in right ventricular structure and function in pulmonary hypertension patients during treatment. The study consisted of 30 pulmonary hypertension patients; 15 newly diagnosed and 15 on long-term treatment Across the ventricular cavity, moderator band is a thick muscular ridge spreading out from ventricular septum towards the base of the anterior papillary muscle. It transports the right branch of the atrioventricular bundle (bundle of His) that is a part of conducting system of the heart. Overdistension of right ventricle is prevented by it

Right Ventricle Function, Definition & Anatomy Body Map

Remember, the right ventricle is a 'crescent shaped structure that hugs the left ventricle, which is why we must strive to obtain as many views as possible to fully examine the size & structure. The RV Focused AP4 view is the specific RV view that allows the full visualization of the maximum diameter of the RV T1 - Right Ventricular Structure and Function Are Associated with Incident Atrial Fibrillation. T2 - MESA-RV Study (Multi-Ethnic Study of Atherosclerosis-Right Ventricle) AU - Chatterjee, Neal A. AU - Shah, Ravi V. AU - Murthy, Venkatesh L. AU - Praestgaard, Amy. AU - Shah, Sanjiv J. AU - Ventetuolo, Corey E. AU - Graham Barr, R The right ventricle receives blood from the right atrium through the tricuspid valve. Each flap of the valve is attached to strong strands of connective tissue, the chordae tendineae literally tendinous cords, poetically referred to as heart strings.. When the myocardium of the ventricle contracts, pressure within the ventricular.

Heart ventricles: Anatomy, function and clinical aspects

  1. The right ventricle is a thin, highly trabeculated structure that is triangular in form and, on gross inspection, appears to be wrapped around the left ventricle. It has three well-differentiated components with specific structure and function
  2. The left and right ventricles are equal in size and pumping volume. However, the left ventricle has thicker walls than the right since it needs to pump blood to the rest of the body. The right ventricle has thick walls at the base but gradually thins out upward towards the atrium. The left ventricle receives only oxygenated blood from the left.
  3. ence, in all human hearts and in other primates. It is an intra-cavitary structure in the right ventricle (RV) spanning from the lower limit of the inflow tract of the RV anterior septum to the base of the anterior papillary muscle of the RV free wall

Right ventricle: The lower right chamber of the heart that receives deoxygenated blood from the right atrium and pumps it under low pressure into the lungs via the pulmonary artery.. The tricuspid valve is located between the right atrium and right ventricle and ensures the flow of blood from the right atrium into the right ventricle and prevents the reverse The Right Ventricle (RV) and Exercise - Physiological Considerations. Exercise, particularly intense endurance exercise, necessitates substantial increases in cardiac output. For example, the author of this Expert Analysis article has measured cardiac outputs of just under 40 litres/ min in elite cyclists during near-maximal exercise. 1 This. The Right Ventricle: From Bench to Bedside. 1. Introduction. The right ventricle (RV) remains the cardiac chamber for which scientific data regarding structure, function, adaptation to load, or arrhythmogenic potential is still behind what we know for the left ventricle, despite more recent efforts in this field The most common cause of heart failure in the United States is ischemic left heart disease; accordingly, a vast amount of work has been done to elucidate the molecular mechanisms underlying pathologies of the left ventricle (LV) as a general model of heart failure. Until recently, little attention has been paid to the right ventricle (RV) and it has commonly been thought that the mechanical.

Structure of the cardiovascular system. (except for the pulmonary artery which carries deoxygenated blood away from the right ventricle to the lungs). The main a rtery is the a orta The right ventricle pumps low-pressure blood from the heart to the lungs, where it is recharged and returned for delivery to the rest of the body. According to Mayo Clinic, the right ventricle receives blood from the right atrium through the tricuspid valve and delivers its blood through the pulmonary arteries The ventricular system is a set of communicating cavities within the brain. These structures are responsible for the production, transport and removal of cerebrospinal fluid, which bathes the central nervous system. In this article, we shall look at the functions and production of cerebrospinal fluid, and the anatomy of the ventricles that contains it

Chambers and Circulation through the Heart. The human heart consists of four chambers: The left side and the right side each have one atrium and one ventricle.Each of the upper chambers, the right atrium (plural = atria) and the left atrium, acts as a receiving chamber and contracts to push blood into the lower chambers, the right ventricle and the left ventricle The septum is the lion of the right ventricle and insight is provided into offsetting septal damage during cardiac surgery, rebuilding its anatomical structure in post-tetralogy pulmonary insufficiency, as well as rectifying its dysfunction by decompression in patients with a left ventricular assist device THE RIGHT VENTRICLE IN PAH. PAH can arise sporadically (idiopathic PAH; IPAH), can be heritable, or can be related to risk factors or associated conditions, such as connective tissue disease, congenital systemic-to-pulmonary shunts, portal hypertension, drugs and toxins, and HIV infection [].However, despite heterogeneous underlying aetiologies, all forms of PAH share similar clinical and. The left ventricle is the thickest of the heart's chambers and is responsible for pumping oxygenated blood to tissues all over the body. By contrast, the right ventricle solely pumps blood to. If the fold is seen to be a right ventricular structure in this plane, then there is unlikely to be objections to classifying the heart as having double outlet right ventricle. For the purposes of anatomic classification, clinical management, and surgical repair, double outlet right ventricle has been classified based on the relationship of the.

Assessment of right ventricular structure and function in

The purpose of this article is to describe the normal structure and function of the right ventricle, causes of right ventricular dysfunction leading to right ventricular failure, diagnostic hemodynamic assessments, and management of right ventricular failure in the critical care unit Description. The right ventricle is triangular in form, and extends from the right atrium to near the apex of the heart.. Its anterosuperior surface is rounded and convex, and forms the larger part of the sternocostal surface of the heart. Its under surface is flattened, rests upon the diaphragm, and forms a small part of the diaphragmatic surface of the heart

The left ventricle is thicker and muscular as compared to the right ventricle because it pumps blood at a higher pressure. The right ventricle is triangular in shape and it extends from the tricuspid valve in the right atrium to near the apex of the heart. Its wall is found thickest at the apex and thin towards its base at the atrium In double-outlet right ventricle, the aorta and pulmonary artery connect partially or completely to the right ventricle. A hole also exists between the two ventricles (ventricular septal defect). In a normal heart, as shown on the left, the pulmonary artery connects to the right ventricle and the aorta connects to the left ventricle

The ventricular septum in the normal heart is curved, convexing into the right ventricular cavity. It is muscular except for a small portion immediately beneath the aortic valve which is a thin fibrous structure, the ventricular component of the membranous septum Purpose Serotonin and the serotonin transporter have been implicated in the development of pulmonary hypertension (PH). Selective serotonin reuptake inhibitors (SSRIs) may have a role in PH treatment, but the effects of SSRI use on right ventricular (RV) structure and function are unknown. We hypothesized that SSRI use would be associated with RV morphology in a large cohort without. Imaging the Right Heart Learn the different echo imaging views to evaluate the right ventricle. Enhance your knowledge of the anatomy and wall segments of the right heart. Review the latest echo guidelines for imaging the right heart with echocardiography The prognostic significance of the right ventricle (RV) has recently been recognised in several conditions, primarily those involving the left ventricle, the lungs and their vascular bed, or the right-sided chambers. Recent advances in imaging techniques have created new opportunities to study RV anatomy, physiology and pathophysiology, and. Rationale: Sex hormones have effects on the left ventricle, but hormonal influences on the right ventricle (RV) are unknown.. Objectives: We hypothesized that sex hormones would be associated with RV morphology in a large cohort free of cardiovascular disease.. Methods: Sex hormones were measured by immunoassay and RV ejection fraction (RVEF), stroke volume (RVSV), mass, end-diastolic volume.

C62. RIGHT VENTRICULAR STRUCTURE AND FUNCTION American ..

Study objective:99mTc single-photon emission CT (SPECT) and ECG-gated SPECT can visualize well the right ventricle (RV) in most patients, but their utility for assessment of the RV has not been formally evaluated. We examined whether 99mTc SPECT/ECG-gated SPECT provide similar information to transthoracic two-dimensional Doppler echocardiography (2D-ECHO) regarding RV cavity size, wall. Structure Right atrium Right ventricle Left atrium Left ventricle Coronary arteries Pulmonary artery Pulmonary trunk Ascending aorta Brachiocephalic (trunk) Coronary sinus Pulmonary veins Superior vena cava Number Feature 1. Location of the sinoatrial node 2. Supplies blood to the lower left abdominal cavity organs 3

Current Understanding of the Right Ventricle Structure and

Answer. SLING-LIKE STRUCTURE THAT SUPPORTS THE HEART. PERICARDIUM. DELIVERS OXYGENATED BLOOD TO THE MYOCARDIUM. CORONARY ARTERIES. SMOOTH, SHINY, INNERMOST LINING OF THE HEART. ENDOCARDIUM. CHAMBER THAT RECEIVES UNOXYGENATED BLOOD TO THE LUNGS THROUGH THE PULMANARY ARTERY. RIGHT VENTRICLE The right atrium contracts and pushes the blood cells through the tricuspid valve into the right ventricle. The right ventricle then contracts and pushes the blood through the pulmonary valve into the pulmonary artery, which takes it to the lungs. In the lungs, the blood cells exchange carbon dioxide for oxygen

Gross anatomy. The left ventricle is conical in shape with an anteroinferiorly projecting apex and is longer with thicker walls than the right ventricle. It is separated from the right ventricle by the interventricular septum, which is concave in shape (i.e. bulges into the right ventricle). Internally, there are smooth inflow and outflow. Right ventricular structure is associated with the risk of heart failure and cardiovascular death: the multi-ethnic study of atherosclerosis (MESA)--right ventricle study. Circulation. 2012;126:1681-8. Article Google Scholar 15. Leary PJ, Kurtz CE, Hough CL, Waiss MP, Ralph DD, Sheehan FH. Three-dimensional analysis of right ventricular shape. How do the left and right ventricles differ in structure? Ventricles have thicker walls than atria and generate higher blood pressures. Further, the left ventricle has thicker walls than the right because it needs to pump blood to most of the body while the right ventricle fills only the lungs. Click to see full answer

Right ventricular (RV) size and function are important predictors of cardiovascular morbidity and mortality in patients with various conditions. However, non-invasive assessment of the RV is a challenging task due to its complex anatomy and location in the chest. Although conventional echocardiography is widely used, its limitations in RV assessment are well recognised In contrast to the right ventricle, the left ventricle is a conical structure with thick tubular walls tapering to a rounded apex (Figure 6A) where the apical wall becomes as thin as 1-2 mm. Very little of the left ventricle is visible from the front of the heart (Figures 1 and 3A) although in the infant a relatively greater portion may be seen

Video: Deterioration in right ventricular structure and function

Anatomy of the Heart Review Sheet 30 251 Gross Anatomy of the Human Heart 1. An anterior view of the heart is shown here. Match each structure listed on the left with the correct key letter: 1. right atrium 2. right ventricle 3. left atrium 4. left ventricle 5. superior vena cava 6. inferior vena cava 7. ascending aorta 8. aortic arch 9. After collecting in the right atrium, it passes to the right ventricle. The right ventricle then pumps the blue blood out to the lungs through the pulmonary artery. In the lungs, the blood collects oxygen and turns a red color. Red blood (blood with oxygen) returns back from the lungs by way of the pulmonary veins Between the right ventricle and the pulmonary artery, there is the pulmonary valve. The exact position is at the base of the pulmonary artery at the point where it leaves the right ventricle. It is also called the right semilunar valve and is made up of three leaflets. Two are attached to the septum, and the third one is the anterior leaflet The importance of right ventricular (RV) function in cardiac surgery has been recognized for several years. Many studies have, in fact, demonstrated its prognostic value after valvular heart surgery, coronary artery bypass surgery, heart transplantation, and left ventricular (LV) assist device insertion. 1,2 Severe refractory RV failure requiring prolonged inotropic support or RV assist device. Function and anatomy of the heart made easy using labeled diagrams of cardiac structures and blood flow through the atria, ventricles, valves, aorta, pulmonary arteries veins, superior inferior vena cava, and chambers. Includes an exercise, review worksheet, quiz, and model drawing of an anterior v

The Right Ventricle Hear

A more complete repair depends on the size of the pulmonary artery and right ventricle. If the pulmonary artery and right ventricle are very small, the patient may require the same type of operation as other single ventricle patients. In some patients, abnormal channels (sinusoids) form between the coronary arteries and the right ventricle The following is a step-by-step illustration of how the valves function normally in the left ventricle: After the left ventricle contracts, the aortic valve closes and the mitral valve opens, to allow blood to flow from the left atrium into the left ventricle. As the left atrium contracts, more blood flows into the left ventricle Structure of the Tricuspid Valve. The tricuspid valve is one of the two main valves which are present on the right side of the mammalian heart. The tricuspid valve, as the name suggests, typically should consist of three flaps or openings, which transport the blood from the right atrium into the right ventricle, for further transportation

Right-Sided Heart Failure: Overview and Mor

Right ventricle • The major structure in right ventricle is valva atrioventricularis dextra, another name for the tricuspid valve (valva: valve, atrioventricularis: related to atrium and ventricle together, dextra: right -in latin-), and the English name for this nomenclature is right Atrioventricular (AV) valve The right ventricle is shaped differently to the left ventricle: the left ventricle is cylindrical in shape and the cavity of the right ventricle is effectively wrapped around it. The right ventricle also has a thinner wall which is more trabecularized, especially towards the apex Background: The relationship between obesity and right ventricular (RV) morphology is not well studied. We aimed to determine the association between obesity and RV structure and function in a large multiethnic population-based cohort Right ventricle pumps blood through pulmonary aorta to lungs and left ventricle pumps blood through aorta. These opening is guided by three cusps semi lunar valve; Left semilunar valve is called aortic valve and right semilunar valve is called pulmonary valve. Human Heart-Gross structure and Anatom

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The right ventricle, or right chamber, moves used blood from your heart back to your lungs to be resupplied with oxygen. So when you have right-side heart failure, the right chamber has lost. The right ventricle is closely related to many diseases of the left ventricle. In Chapter 2 we described visualization of the right ventricle by means of echocardiography. Right ventricular anatomy, its function, and methods of quantification were described in Chapter 3. In this section we will focus on various conditions and diseases that. The pulmonary valve separates the right ventricle and the pulmonary artery. NHLBI-funded research is exploring methods to create heart tissue that closely mimics the function, shape, and structure of the human heart, with the hope of one day using the engineered heart tissue to treat people who have heart disease Right Ventricle Anatomy, Function, and Dysfunction. Verywell - Vanessa Caceres • 2h. The heart has four chambers: the right ventricle and left ventricle on the bottom, and the right atrium and left atrium on top. Together, the four The right atrium receives deoxygenated blood returning from other parts of the body. Valves connect the atria to the ventricles, the lower chambers. Each atrium empties into the corresponding ventricle below. 3. Each Heart Beat Is a Squeeze of Two Chambers Called Ventricles. The ventricles are the two lower chambers of the heart

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Intraoperatively, the anatomy of the heart is viewed from the right side of the supine patient via a median sternotomy incision. The structures initially seen from this perspective include the superior vena cava, right atrium, right ventricle, pulmonary artery, and aorta The muscle of the left ventricle is 2-3 times thicker than that of the right, although the size of the cavity itself is about the same as the right. Both ventricles pump the same amount of blood, but the left ventricle must be much more powerful in order to perfuse the entire body, as opposed to the right ventricle that only has to perfuse the. The atria are separated from ventricles by a circular atrioventricular or coronary sulcus. It is divided into anterior and posterior parts. Anterior part consists of right and left halves. The right half is oblique between the right auricle and right ventricle, loading the right coronary artery The left and right atria are separated by a fibromuscular wall known as the atrial (interatrial) septum, while the ventricles are separated by a similar structure, known as the ventricular (interventricular) septum. Additionally, each atrium is separated from the ventricle of the same side by the atrioventricular septum Anatomy The tendinous cords (around 75) arise from the apices of 3 papillary muscles, which are conical muscular projections with bases attached to the ventricular wall. The anterior papillary muscle, the largest and most prominent of the three, arises from the anterior wall of the right ventricle; its tendinous cords attach to the anterior and. an illustration of a human heart - right ventricle stock illustrations. sectional anatomy of the heart - right ventricle stock illustrations. heart valves showing pulmonary valve, mitral valve and tricuspid. - right ventricle stock illustrations. coronary vein into the right atrium - right ventricle stock illustrations