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A&P 2 Lab Exam 1
The Heart
| Question | Answer |
|---|---|
| Apex | The bottom of the heart (the pointy bottom) |
| Base | The top of the heart (vessel area) |
| Aorta | The largest artery, up through left ventricle |
| Right Auricle | Attached to right atrium (cone shaped pouch) |
| Left Auricle | Anterior surface of left atrium (thin pouch of the heart wall) |
| Right Atria | Right upper chamber of the heart |
| Left Atria | Superior left side of heart |
| Right Ventricle | Inferior right side of heart below right atrium |
| Left Ventricle | Inferior left side of heart below left atrium |
| Interventricular Septum | Wall between left and right ventricle |
| Pulmonary Trunk | Large artery from top left of heart |
| Superior Vena Cava | Top right valve |
| Inferior Vena Cava | Bottom of the top right valve |
| Tricuspid Valve | Right valve between the right atrium and right ventricle |
| Bicuspid Valve | Left valve between the left atrium and left ventricle |
| Aortic Valve | Large middle valve between the superior vena cava and pulmonary trunk |
| Chordea Tendinae | The stings or string-like bands inside the heart |
| Papillary Muscle | Long thicker strings or strands inside the heart close to the chordae tendinae |
| Epicardium | The outer layer of the heart (outside casing) |
| Myocardium | The thick middle layer of the heart (muscle, what looks like meat) |
| Endocardium | The inner lining of the heart (inside the holes, the shiny stuff) |