tegmen ventriculi quarti
roof of fourth ventricle, formed in its upper part by the superior medullary velum stretching between the two brachia conjunctiva (superior cerebellar peduncles) and in its lower part by the inferior medullary velum composed of the choroid membrane and choroid plexus of the fourth ventricle.
Synonym(s): roof of fourth ventricleTA
Search Stedman's Medical Dictionary
Examples: glitazone, GI cocktail, etc.