FOURTH VENTRICLE

Pronunciation (US):

(GB):

 Dictionary entry overview: What does fourth ventricle mean? 

• FOURTH VENTRICLE (noun)
  The noun FOURTH VENTRICLE has 1 sense:

1. an irregular ventricle between the third ventricle and the central canal of the spinal cord

  Familiarity information: FOURTH VENTRICLE used as a noun is very rare.

 Dictionary entry details 

• FOURTH VENTRICLE (noun)

Sense 1

Meaning:

An irregular ventricle between the third ventricle and the central canal of the spinal cord

Classified under:

Nouns denoting body parts

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 

Neoplasms located in the brain ventricles, including the two lateral, the third, and the fourth ventricle.

(Intraventricular Brain Neoplasm, NLM, Medical Subject Headings)

A channel that connects the third and fourth ventricles of the brain.

(Aqueduct of Sylvius, NCI Thesaurus)

One of two openings into the subarachnoid space on the lateral surface of the fourth ventricle.

(Foramen of Luschka, NCI Thesaurus)

A large opening in the midline of the roof of the posterior interior section of the fourth ventricle.

(Foramen of Magendie, NCI Thesaurus)

One of the four vestibular nuclei situated on the floor and lateral wall of the fourth ventricle that receives inputs from the vestibular nerve.

(Lateral Vestibular Nucleus, NCI Thesaurus)

In children it is most common in the lateral ventricles and in adults it tends to arise in the fourth ventricle.

(Choroid Plexus Papilloma, NLM, Medical Subject Headings)

The thin epithelial membrane lining the fourth ventricle of the brain.

(Fourth Ventricle Ependyma, NCI Thesaurus)

Tumors in this location frequently present with ATAXIA or signs of INTRACRANIAL HYPERTENSION due to obstruction of the fourth ventricle.

(Cerebellar Neoplasm, NLM, Medical Subject Headings)

A villous structure of tangled masses of BLOOD VESSELS contained within the third, lateral, and fourth ventricles of the BRAIN.

(Choroid plexus, NLM, Medical Subject Headings)

The location of the brain that corresponds to the narrowing of the fourth ventricle into the central canal of the spinal column.

(Obex Region, NCI Thesaurus)