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A & P Cardio
ALH 155 Heart
| Vocabulary Word | Definition |
|---|---|
| myocardium | muscular middle layer of the heart |
| endocardium | innermost layer of the heart |
| epicardium | outermost layer of the heart |
| mediastinum | region between the 2 lung cavities |
| sulcus | shallow groove |
| atrium | smaller receiving chambers of the heart |
| ventricle | large chambers in the bottom of the heart that discharge blood |
| stent | fine wire-mesh tube inserted into a vessel, holding it open |
| systole | contraction phase of the cardiac cycle |
| diastole | relaxation phase of the cardiac cycle |
| vasodilation | accelerate blood flow through their tissue of origin |
| intercalated discs | cardiac muscle fiber connections |
| apex | inferior pointed tip of the heart |
| auricle | external flap on the heart visible when the atrium is relaxed |
| cusps | the free edge of each valve consisting of flaps of tissue |
| electrocardiogram | recording of the electrical events occurring in the heart |
| bradycardia | abnormally slow heart rate |
| tachycardia | abnormally fast heart rate |
| chordae tendineae | tendinous connective tissue fibers that hold the cusps in place |
| aorta | largest artery coming up and out of the heart |
| Lasix | |
| Atenolol | |
| Lipitor | |
| Norvasc | |
| Lisinopril |