ANAT 215 Lecture Notes - Lecture 24: Chordae Tendineae, Inferior Vena Cava, Heart Valve
18 Aug 2016
School
Department
Course
Professor
Document Summary
Cardiovascular system: heart 1 (reading material: chapter 21: pages 547-550; 552-561) Functions of the cardiovascular system: part of circulatory system that transports blood throughout the body, functioning as a pump (heart) that forces blood through the blood vessels, closed loop system. Systemic circulation: all the blood that is carried to the body. Heart: size of fist, 250-350g, 12cm x 9cm. 9cm to left of midline: superior border, left border, inferior border (right ventricle), right border. Coverings of the heart: pericardium: secretes fluid, serous membrane, covered b thin layer of epithelium. Visceral (epicardium) and parietal pericardium: covers surface of heart. Parietal pericardium covers other structures in mediasteinum: serous and fibrous pericardium: simple squamous lining mediasteinum housing the heart, pericardial cavity and fluod: pericardial fluid. Acts as a lubricant: minimizing friction against heart and covering: epicardium: dense outer layer of dense irregular. Cardiac chambers and valves: 2 atria above 2 ventricles.
