sylvian aqueduct
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Sylvian aqueduct — noun a canal connecting the third and fourth ventricles • Syn: ↑cerebral aqueduct, ↑aqueductus cerebri • Hypernyms: ↑duct, ↑epithelial duct, ↑canal, ↑channel * * * ˈsilvēən n … Useful english dictionary
sylvian syndrome — sylvian aqueduct syndrome impairment of vertical gaze, retraction nystagmus, convergence nystagmus, convergence spasms, and poor or absent reaction of the pupils (which are usually of normal size) to light or near vision. It is caused by a… … Medical dictionary
Aqueduct of Sylvius — A canal that communicates between the third and fourth ventricles in a system of four communicating cavities within the brain that are continuous with the central canal of the spinal cord. The four ventricles consist of the two lateral ventricles … Medical dictionary
aqueduct — A conduit or canal. SYN: aqueductus. [L. aquaeductus] cerebral a. an ependyma lined canal in the mesencephalon about 20 mm long, connecting the third to the fourth ventricle. SYN: aqueductus mesencephali [TA], aqueductus cerebri, a. of cerebrum,… … Medical dictionary
cerebral aqueduct — noun a canal connecting the third and fourth ventricles • Syn: ↑Sylvian aqueduct, ↑aqueductus cerebri • Hypernyms: ↑duct, ↑epithelial duct, ↑canal, ↑channel … Useful english dictionary
Sylvius — Jacobus (Jacques), French anatomist, 1478–1555. See caro quadrata sylvii, os sylvii. Le Böe, Franciscus (François), Dutch physician, anatomist, and physiologist, 1614–1672. See sylvian angle, sylvian aqueduct, sylvian fissure, sylvian line,… … Medical dictionary
Ventricle — A ventricle is a chamber of an organ. For example, the four connected cavities (hollow spaces) in the central portion of the brain and the lower two chambers of the heart are called ventricles. * * * A normal cavity, as of the brain or heart. SYN … Medical dictionary
Intubation — The process of putting a tube into a hollow organ or passageway, often into the airway. The opposite of intubation is extubation. * * * Insertion of a tubular device into a canal, hollow organ, or cavity; specifically, passage of an oro or… … Medical dictionary
veil — 1. SYN: velum (1). 2. SYN: caul (1). [L. velum] aqueduct v. a membrane obstructing the sylvian aqueduct, causing a noncommunicating hydrocephalus. Jackson v. SYN: Jackson membrane. Sattler v. a … Medical dictionary
aqueductus cerebri — noun a canal connecting the third and fourth ventricles • Syn: ↑cerebral aqueduct, ↑Sylvian aqueduct • Hypernyms: ↑duct, ↑epithelial duct, ↑canal, ↑channel … Useful english dictionary
