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lateral ventricle |
Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson | 0.07 sec. |
lateral ventricle Etymology: L, latus, side, ventriculus, little belly a cavity in each cerebral hemisphere that communicates with the third ventricle through the interventricular foramen. ventricle a small cavity or chamber, as in the brain or heart. cardiac ventricle the single fetal cardiac ventricle, formed by the looping of the bulboventricle; divided later by the growth of the interventricular septum as a projection from the wall of the bulboventricle. fifth ventricle the median cleft between the two laminae of the brain's septum lucidum. fourth ventricle a median, horizontally disposed, rhomboid cavity in the hindbrain, between the cerebellum and medulla, containing cerebrospinal fluid. gastric ventricle stomach. laryngeal ventricle a variably developed cavity of the larynx that opens into the laryngeal vestibule by a cleft between the vestibular and vocal folds; well developed in dogs and horses and especially certain apes. lateral ventricle the cavity in each cerebral hemisphere, derived from the cavity of the embryonic tube, containing cerebrospinal fluid and communicating with the third ventricle. left ventricle the lower chamber of the left side of the heart, which pumps oxygenated blood out through the aorta to all the tissues of the body. pineal ventricle an extension of the third ventricle into the stalk of the pineal body. right ventricle the lower chamber of the right side of the heart, which pumps venous blood through the pulmonary trunk and arteries to the capillaries of the lung. third ventricle a vertically disposed, ring-shaped space that contains cerebrospinal fluid and that communicates anteriorly with the lateral ventricles and caudally with the cerebral aqueduct within the diencephalon between the two thalami. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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Cranial CT demonstrated a left cerebral hemiatrophy and a secondary enlargement of the left lateral ventricle. The fluid, which is about 99 percent water, starts its journey from the two lateral ventricles, which are side-by-side cavities in the upper brain, and then travels down to the third ventricle and on to the fourth, which is near the brain stem. Stage 20: The Choroid Plexus of the Lateral Ventricles, the Optic and Habenular Commissures, and the Interpeduncular and Septal Nuclei. |
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