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Lab Exam 2.docx - Heart Things to Know o 2 Atria o 2...

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Heart Things to Knowo2 Atriao2 Ventricles (left is thicker)o4 Valves - prevent the back flow of bloodo*Pectinate Muscles - roughened area in the atriaoCordae Tendonae - stringy muscles attach to papillary muscleoPapillary Muscle - regulate AV valve movementoApexoTrabeculae Carnae - more efficient than pectinate, help direct flow of blood to make theheart more efficientoIntratrial Septal Wall - separate the two atriaoIntraventricular Septal Wall - separate the two ventricles; divided into membranous andmuscular portionsoVena CavaoPulmonary Trunk —> pulmonary arteriesoPulmonary veins bring oxygenated blood back to the hearto62 = Conus Artiuosumoleft and right coronary artery + branches and veinso51 – opening for superior vena cavao*fossa ovalus (in the right atrium) – fetal circulation*o*ligamentum arteriosum – ductus arteriosum – fetal circulationoSA and AV nodeoBundle of HisoPurkinje FibersoElectric systemoVeins – all take blood from muscular wall of the heart and bringing it to the coronarysnus and then drain into the right atrial chamberoMiddle cardiac veinoPosterior cardiac veinoOblique veinoLesser/Small cardiac veinoGreat/Big cardiac veinoSulcioCoronary arteries and veinso
1.Right brachiocephalic (innominate) veinVery top of the superior vena, right vein going to the arm/head2.Left brachiocephalic (innominate) veinVery top of the superior vena, left vein going to the arm/head3.Superior vena cava – formed by the junction of the right and left brachiocephalic veinsSuperior vein emptying into the right atria4.Ascending aorta – the first part of the systemic circulatory systemBeginning of the aorta coming from the center of the heart5.Arch of aorta – begins where the aorta crosses the pulmonary artery; from this archthree great branches carry blood to the upper extremities6.Brachiocephalic trunk (innominate artery) – the first great branch of the aortic arch7.Left common carotid artery – the second great branch of the aortic arch8.

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Term
Fall
Professor
NoProfessor
Tags
pulmonary artery, right coronary artery, Separates

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