| / English Dictionary |
FOURTH VENTRICLE
| Pronunciation (US): |  | (GB): | |
I. (noun)
Sense 1
Meaning:
An irregular ventricle between the third ventricle and the central canal of the spinal cord
Classified under:
Hypernyms ("fourth ventricle" is a kind of...):
ventricle (one of four connected cavities in the brain; is continuous with the central canal of the spinal cord and contains cerebrospinal fluid)
Context examples:
The fourth ventricle lies dorsal to the pons which also contains the motor trigeminal nuclei and the abducens nuclei.
(Murine Pons, NCI Thesaurus)
A locus on the floor of the lateral surface of the fourth ventricle where auditory nerves form the cochlea synapse in the brain stem.
(Dorsal Cochlear Nucleus, NCI Thesaurus)
The epithelium of the choroid plexus at the fourth ventricle; which consists of cuboidal cells.
(Choroid Plexus Epithelium of the Fourth Ventricle, NCI Thesaurus)
Two vascular fringes, one on each side of the lower part of the roof of the fourth ventricle where cerebrospinal fluid is produced.
(Choroid Plexus of the Fourth Ventricle, NCI Thesaurus)
A rare congenital brain malformation disorder characterized by agenesis or hypoplasia of the cerebellar vermis, cystic dilatation of the fourth ventricle, and enlargement of the posterior fossa.
(Dandy-Walker Malformation, NCI Thesaurus)
The CTZ is located in the area postrema on the dorsal surface of the medulla oblongata at the caudal end of the fourth ventricle and outside the blood-brain barrier (BBB).
(Palonosetron hydrochloride, NCI Thesaurus)
The lower or ventral portion of the fourth ventricle transversed by the median sulcus with numerous nuclei and structures including the striae acusticae (or medullaris), fovea inferior and fovea superior, clava, obex, area postrema, and the trigonum hypoglossi and trigonum vagi.
(Floor of the Fourth Ventricle, NCI Thesaurus)
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