Definition of Left atrium

1. Noun. The left upper chamber of the heart that receives blood from the pulmonary veins.


Definition of Left atrium

1. Noun. One of the chambers of the heart in humans and other mammals, receives oxygenated blood from the lungs via the pulmonary veins, and pumps it into the left ventricle. ¹

¹ Source: wiktionary.com

Medical Definition of Left atrium

1. The thin-walled chamber of the heart which pumps blood into the left ventricle for ejection into the systemic circulation. (27 Sep 1997)

Lexicographical Neighbors of Left Atrium

left-sided heart failure
left-sidedness
left-slanting
left-to-right shunt
left-to-right shunts
left-wing
left-winger
left-wingers
left alone
left and right
left arm orthodox
left arm unorthodox
left atrial pressure
left atrioventricular valve
left atrium
left atrium of the heart
left atriums
left auricular appendage
left axis deviation
left back
left backs
left bank
left banks
left behind
left brace
left braces
left bracket
left brackets
left brain

Literary usage of Left atrium

Below you will find example usage of this term as found in modern and/or classical literature:

1. Anatomy, Descriptive and Applied by Henry Gray (1913)
"In the fetus this valve is of large size, and serves to direct the blood from the inferior vena cava, through the foramen ovale, into the left atrium. ..."

2. Cunningham's Manual of Practical Anatomy by Daniel John Cunningham, Arthur Robinson (1914)
"The left atrium.—The left atrium, like the right, is separable into two parts—a ... The four pulmonary veins, two on each side, open into the left atrium. ..."

3. Anatomical terminology, with special reference to the (B N A) by Lewellys Franklin Barker (1907)
"... Anterior semilunar valve Right semilunar valve Left semilunar valve Nodules of the semilunar valves Crescents of the semilunar valves left atrium (0. ..."

4. Manual of Practical Anatomy by Daniel John Cunningham (1921)
"On the right or septal wall of the left atrium the position of the margin ... The orifices of the left atrium are the openings of the four pulmonary veins, ..."

5. A Laboratory manual and text-book of embryology by Charles William Prentiss (1922)
"During fetal life the left atrium receives little blood from the lungs, so that the pressure is much greater in the right atrium. ..."

6. The Oxford Medicine by Henry Asbury Christian, James Mackenzie (1920)
"The chronic dilatation of the left atrium occasionally in very severe cases ... The dilated pulmonary artery rather than an engorged left atrium may cause ..."

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