ventricle

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ventricle

Anatomy
1. a chamber of the heart, having thick muscular walls, that receives blood from the atrium and pumps it to the arteries
2. any one of the four main cavities of the vertebrate brain, which contain cerebrospinal fluid
3. any of various other small cavities in the body
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

ventricle

[′ven·trə·kəl]
(anatomy)
A chamber, or one of two chambers, in the vertebrate heart which receives blood from the atrium and forces it into the arteries by contraction of the muscular wall.
One of the interconnecting, fluid-filled chambers of the vertebrate brain that are continuous with the canal of the spinal cord.
(zoology)
A cavity in a body part or organ.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
Claudius Galen (AD 130 - 200) expressed his sentiment of the hopelessness of a cardiac wound: 'When a perforation penetrated in one of the cardiac ventricles, they (the gladiators) died on the spot, mainly by blood loss, and even faster if the left ventricle was injured.
Our results of diurnally varying proANP plasma concentrations but nondiurnal NTproBNP plasma concentrations in healthy individuals seem to conflict with previous findings regarding the production of mRNA in mouse hearts (2).That study noted a circadian production of BNP mRNA in the cardiac ventricles but little response for the ANP mRNA content in the atria.
Congestive heart failure, dilated cardiac ventricles, and sudden death in hyperthyroidism.