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Pierce College Putman/Biol 242 Name: ________________________________ Lab 03: Heart Anatomy (10 points) Lab Report 3: Exercise 30 (all) + Review Sheet 30 (Questions 1-16) in Marieb & Mitchell + Supplemental Sheets 1-3. Pierce College Student Outcomes: Lab Outcome 4: Identify superficial and deep structures of the heart, including the conduction system, on various heart models, diagrams, and by sheep heart dissection. Lab Outcome 5: Describe and demonstrate patterns of blood circulation throughout the human body, including systemic, pulmonary, cerebral, coronary, hepatic portal, and fetal circulations on models, diagrams and dissected cat specimens. (in part) Successfully completing and understanding the following Study Guide Objectives should prepare you to be tested over this material, demonstrating your mastery of the above student outcome(s). 1. On models, cadaver preparations, photographs or diagrams of the human heart, identify the following structures: superior vena cava bicuspid valve (mitral valve, L inferior vena cava atrioventricular valve) R atrium L ventricle fossa ovalis interventricular septum tricuspid valve (R atrioventricular valve) aortic semilunar valve (aortic valve) chordae tendenae ascending aorta papillary muscles aortic arch trabeculae carnae brachiocephalic artery pulmonary semilunar valve (pulmonary valv) L common carotid artery pulmonary trunk L subclavian artery R pulmonary artery endocardium L pulmonary artery myocardium R pulmonary veins pericardium (visceral pericardium) L pulmonary veins apex of the heart L atrium 2. Be able to write out the path a blood cell would take through the heart in pulmonary and systemic circulation, beginning with the superior OR inferior vena cava and ending with the ascending aorta, identifying and naming all of the structures in Objective 1 above. Pulmonary and Systematic Circulation Tracing: From upper body to superior vena cava OR from the lower body to the inferior vena cava>R atrium>through tricuspid (R atrioventricular) valve>R ventricle>through pulmonary semilunar valve>pulmonary trunk>R or L pulmonary artery into lungs>pulmonary arterioles>capillaries>pulmonary venules>R or L pulmonary veins>L atrium>through bicuspid (mitral, L atrioventricular) valve>L ventricle>through aortic semilunar valve>ascending aorta>to the body. Putman/Pierce College Biol 242 Lab 3/20111031/Page 1 of 2 3. On models, cadaver preparations, photographs or diagrams of the human heart, identify the following structures: ascending aorta posterior interventricular artery aortic arch anterior interventricular artery R and L auricle small cardiac vein superior vena cava middle cardiac vein R and L ventricle great cardiac vein R and L coronary artery coronary sinus marginal artery R atrium circumflex artery 4. Be able to write out paths a blood cell would take through the heart in coronary circulation, beginning with the ascending aorta and ending with the R atrium, and naming all of the major coronary arteries and veins (listed in Objective 2). Sample Coronary Circulation Tracings: 1) Ascending aorta>R coronary artery>marginal artery>arterioles>capillaries of R ventricle>venules>small cardiac vein>coronary sinus>R atrium. 2) Ascending aorta>R coronary artery>posterior interventricular artery>arterioles>capillaries of L ventricle>venules>middle cardiac vein>coronary sinus>R atrium. 3) Ascending aorta>L coronary artery>circumflex artery>arterioles>capillaries of L atrium>venules>great cardiac vein>coronary sinus>R atrium. 4) Ascending aorta>L coronary artery>anterior interventricular artery>arterioles>capillaries>venules>middle cardiac vein>coronary sinus>R atrium. 5. From photographs, sketches or under the microscope, identify cardiac muscle and identify intercalated discs and nuclei. 6. Identify the following external structures on a sheep heart: base of the heart R and L ventricles apex of the heart fat aorta pulmonary artery ligamentum arteriosum opening of superior vena cava R and L auricles opening of inferior vena cava R and L atria pulmonary veins 7. Identify the following internal structures in a dissected sheep heart: R and L atria trabeculae carneae entrance of superior vena cava R and L ventricle entrance of inferior vena cava tricuspid (R atrioventricular) valve fossa ovalis bicuspid (mitral, L atrioventricular) valve chordae tendineae pulmonary semilunar valve papillary muscle aortic semilunar valve pectinate muscles Putman/Pierce College Biol 242 Lab 3/20111031/Page 2 of 2