ventricle(redirected from pineal ventricle)
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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
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.
A cavity in a body part or organ.