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A&P 2-Heart
Lab Model Test Terms
| Term | Definition |
|---|---|
| Auricles | Ear-like flaps on atrium |
| Atria R & L | Top 2 chambers (patients R & L) |
| Fossa Ovalis | In right atrium-small oval |
| Ventricle R & L | Bottom chambers |
| Intraventricular Septum | Dividing wall between ventricles |
| SA Node | Green thing on top of right atrium |
| AV Node | Base of right atrium |
| Bundle of His | Knot at top of septum |
| Collateral Branches | Two lines down through septum |
| Purkinje Fibers | Branches coming up ventricles |
| Tricuspid Valve | Between R atrium and R ventricle |
| Bicuspid Valve (Mitral) | Between L atrium and L ventricles |
| Chordae Tendinae | Rope-like structures attached to valves |
| Trabeculae | Ridges on bottom of ventricles |
| Papillary Muscle | "nipples" attached to chordae |
| Pulmonic Valve (Semilunar) | In the blue |
| Aortic Valve (semilunar) | In the red |
| Ligamentum Arteriosum | Little white tissue between aorta and pulmonary |
| Endocardium | Inside layer of heart |
| Coronary Sinus | Large blue thing at back of heart |
| Right Main Coronary Artery | Red-in front-next to auricle |
| Marginal Artery | Small-red branch off right-in front |
| Posterior Interventricular Artery | Back of heart |
| Left Main Coronary Artery | Two branches |
| Circumflex Artery | Branch off left-goes around to back |
| Anterior Interventricular Artery | REd down front |
| Anterior Cardiac Vein | Front on right |
| Great Cardiac Vein | Left hand side |
| Aorta | red-arches out of heart |
| Brachiocephalic | First branch |
| Left Common Carotid | Second branch |
| Left Subclavian | Third branch |
| Pulmonary trunk | Big-blue-arching out of heart-going to lungs |
| Right & Left Pulmonary Artery | Blue-branches to lung |
| Thoracic Aorta | Down thoracic cavity |
| Abdominal Aorta | Down abdominal cavity |
| Superior Vena Cava | Large0blue0going into right atrium |
| Pulmonary Veins | red- on both sides-coming back to heart |