KINESIOL 1A03 Study Guide - Final Guide: Thrombopoietin, Ciliary Processes, Spongy Urethra
22 Mar 2018
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Right atrium: forms the right surface of the heart and receives blood from three veins, superior vena cava, inferior vena cava, coronary sinus. Inside of anterior wall is rough due to pectinate muscles that extend into the auricle. Interatrial septum: btw right and left atrium, contains oval depression (fossa ovalis: blood passes from the right atrium into the right ventricle through the tricuspid value (right atrioventricular valve) Right ventricle: forms most of the anterior surface of the heart. Interventricular septum: btw right and left ventricles: blood passes to pulmonary valve to pulmonary trunk to pulmonary arteries to lungs. Left atrium: forms most of the base of the heart, smooth, receives blood from four pulmonary veins, blood passes through bicuspid valve (mitral) to the left ventricle. Cardiac muscle tissue: elongated, branching cells containing 1-2 centrally located nuclei, contains actin and myosin myofilaments.
