Term
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Definition
| carries O2, digested foods, cell wastes, electrolytes, and many other sustances. |
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Term
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Definition
| cone-shaped, located in the mediastinum |
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Term
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Definition
| pointed end of the heart, extends slightly to the left and rests on the diaphragm |
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Term
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Definition
| broad side of the heart from which the great vessels emerge. |
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Term
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Definition
| epicardium, thin, closely applied to the heart muscle |
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Term
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Definition
| outer, loosely applied. attached at the heart apex to the diaphragm, produce serous fluid which allows the heart to beat in a relatively frictionless environment. |
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Term
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Definition
| composed of dense connective tissue, outside of the perietal pericardium |
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Term
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Definition
| inflammation of the pericardium, causes painful adhesions between the srous pericardial layers, interferes with heart movements |
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Term
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Definition
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Term
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Definition
| the two superior chambers of the heart |
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Term
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Definition
| lower chambers of the heart |
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Term
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Definition
| serous endothelium which lines the chambers of the heart |
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Term
| interatrial/interventricular septum |
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Definition
| the septum that divides the heart longitudinally |
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Term
| superior and inferior venae cavae |
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Definition
| the large veins that feed the right atrium |
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Term
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Definition
| there are four, which deliver oxygen rich blood to the left atrium |
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Term
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Definition
| that which carries blood from the right ventricle to the lungs. |
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Term
| Atrioventricular (AV) valves |
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Definition
| four valves which enforce one-way blood flow through the heart chambers |
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Term
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Definition
| lefter atrioventricular valve, aka mitral valve, has two flaps of endocardium |
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Term
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Definition
| right atrioventricular valve |
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Term
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Definition
| tiny white collagenic cords which anchor the cusps to the ventricular walls |
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Term
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Definition
| small bundles of cardiac muscle that project from the myocardial wall |
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Term
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Definition
| the period of ventricular filling |
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Term
| pulmonary and aortic semilunar valves |
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Definition
| a second set of valves, composed of three pocketlike cusps, which guard the bases of the two large arteries leaving the ventricluar chambers. |
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Term
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Definition
| the job of the right side of the heart, getting the O2-poor blood to the lungs for a refill. |
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Term
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Definition
| Left side of the heart, carries O2-rich blood fromt he left heart through the body tissues and back to the right heart. |
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Term
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Definition
| start from the bast of the aorta just about the aoritic semilunar valve and encircle the heart |
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Term
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Definition
| where the coronoary arteries encircle, at the junction of the atria and ventricles. |
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Term
| great, middle, and small cardiac veins |
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Definition
| veins that serve the heart and empty into the coronary sinus, which empties into the right atrium |
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Term
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Definition
| where the myocardium cells interdigitate, which provides a continuity to cardiac muscle not seen in other muscle tissues and allows close coordination of heart activity. |
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Term
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Definition
| earlike flaps of tissue projectiong from the atrial chambers |
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Term
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Definition
| a cordlike remnant of the ductus artiosus |
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Term
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Definition
| allows blood to pass directly fromt he pulmonary trunk to the aorta in the fetus to bypass the non-functional fetal lungs. |
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Term
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Definition
| an oval depression in the interatrial septum, the site of an opening in the fetal heart the foramen ovale. |
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Term
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Definition
| pits and ridges of the inner ventricular muscle |
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