| left atrium |
the left upper chamber of the heart that receives blood from the pulmonary veins
출처: wordnet.princeton.edu/perl/webwn
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| left atrium |
In anatomy, the atrium (plural: atria) is the blood collection chamber of a heart. It has a thin-walled structure that allows blood to return to the heart. There is at least one atrium in an animal with a closed circulatory system. In fish, the circulatory system is very simple: a two-chambered heart including one atrium and one ventricle. In vertebrate groups that evolved later, the circulatory system is much more complicated. ...
출처: en.wikipedia.org/wiki/Left_atrium
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| left atrium |
The heart has four chambers. The right atrium is best developed and receives the sinus venosus. A partial septum separates right and left atria.
출처: www.suu.edu/sci/biology/classes/embryology/Quiz/gu...
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| left atrium |
The upper (or "priming") pumping chamber on the left side of the heart. The left atrium sits above the mitral valve and gently forces blood across the mitral valve into the left ventricle. This actions "primes" the lower pumping chamber to improve efficiency. At the same time, the left atrium provides a temporary storage site for blood returning from the lungs during the time that the left ventricle is actually squeezing.
출처: www.cardioassoc.com/patient_pgs/glossary.asp
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