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11 Cards in this Set
- Front
- Back
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Pericardial sac
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-Pericardial cavity: between visceral and parietal layers
-serous fluid reduces friction cause by contraction |
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pericardial cavity and bacteria
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-bacterial infection causes a thick layer of fibrin in the pericardial cavity
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transport
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-gases
- E substrates: glc, ATP - water -minerals - hormones - immunocompotent cells, globulins, albumins -heat |
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base of the heart
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-constituted of heart skeleton
- four valves - fibrous, chondric, and osseus (cattle) structures |
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valva trunci pulmonalis
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-venous blood from right ventricle
-pulmonic circulation |
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valva tricuspidalis
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-R AV
- venous blood from cranial and caudal vena cavae |
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valva aortae
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-arterial blood from the left ventricle
- systemic circulation |
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valva bicuspidalis
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=mitral valve, L AV
- arterial blood from the lung |
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semilunar valves
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guides blood from the ventricle into large arteries during systole
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atrioventricular valves
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guides blood from the atrium into the ventricle during diastole
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contraction and shift of base of heart
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1. downward shift during contraction supports filing of the atria
2. upward shift during relaxation supports filling of the ventricles |
