THE TORSO REGION: THE HEART 1. Which chamber of the heart is the moderator band
ID: 3510932 • Letter: T
Question
THE TORSO REGION: THE HEART 1. Which chamber of the heart is the moderator band located? is the name of the opening in the interatrial septum of a fetal heart and what is the name of the remnant of that opening (which is now closed) in an adult? 2. What Fetus: Adult: 3. Name the valve that opens into the pulmonary trunk. 4. Identify the atrioventricular valves (AV) of the heart. 5. Which muscular layer of the heart consists of cardiac muscle cells? 6. The aortic arch arches"to the left or to the right of the heart. 7. The superior vena cava and inferior vena cava drain blood into which chamber of the heart?Explanation / Answer
1. Right ventricle ( it is a band of muscle extends from base of anterior papillary muscle to internventricular septum).
2. fetus: Foramen ovale Adult: Fossa ovalis
3. Pulmonary (semilunar) valve.
4. Tricuspid valve ( between right atrium and right ventricle), Bicuspid valve or mitral valve ( between left atrium and left ventricle)
5. Middle thick muscle layer in between epicardium(outer layer) and endocardium (inner layer)consists of cardiac muscle cells ( known as myocardium).
6. Aortic arch arches to the left of heart.
7. Superior vena cava and inferior vena cava drain blood into Right atrium
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