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12 Cards in this Set
- Front
- Back
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Linings of fascia around the heart
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Pericardium (2):
Fibrous and Serous (2): Parietal Visceral (epicardium) - on the heart itself |
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the 3 layers of the heart wall
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Tunica intima: endothelial layer termed endocardium
Tunica media: cardiac muscle -> myocardium Tunica adventitia: outer connective tissue layer. Epicardium (visceral pericardium) |
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Internal features of rt atrium (6)
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-openings of sup/inf vena cava
-fossa ovalis -crista terminales -pectinate muscles -coronary sinus opening, tricuspid valve |
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Internal features of rt ventricle (4)
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chordae tendinae, papillary muscle, trabeculae carneae, pulmonary valve
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Internal features of lt atrium (2)
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-openings of 4 pulmonary veins
-left AV valve (mitral, bicuspid) |
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Internal features of lt ventricle
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Same as rt (chordae tendinae, papillary muscles, trabeculae carneae) but with aortic valve
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Path of rt coronary artery
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aorta into anterior atrioventricular (coronary) sulcus
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Lt coronary artery
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aorta btw lt atrium and pulmonary trunk, then splits into
anterior interventricular artery: to apex circumflex artery: to posterior of heart |
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_________ drain directly into the _________. All other coronary veins drain into the _________ which is located _________ drains into the ___________
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a) Anterior cardiac veins
b) rt atrium c) coronary sinus d) in posterior AV sulcus e) rt atrium |
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3 major coronary veins
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great, middle, small cardiac veins
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Sympathetic effect on heart, and origin
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speeds up heart rate. From sympathetic trunk ganglia of neck
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Parasympathetic effect on heart, and origin
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slows heart rate; from Vagus nerve CNX
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