betweenbrain

be·tween·brain

B0218900 (bĭ-twēn′brān′)n. See diencephalon.

betweenbrain

(bɪˈtwiːnˌbreɪn) n (Anatomy) the posterior part of the forebrain

be•tween•brain

(bɪˈtwinˌbreɪn)

n. the diencephalon. [1930–35]

Thesaurus

Noun

1.betweenbrain - the posterior division of the forebrain; connects the cerebral hemispheres with the mesencephalondiencephalon, interbrain, thalmencephaloncorpus mamillare, mamillary body, mammillary body - one of two small round structures on the undersurface of the brain that form the terminals of the anterior arches of the fornixinfundibulum - any of various funnel-shaped parts of the body (but especially the hypophyseal stalk)pineal eye, third eye - a sensory structure capable of light reception located on the dorsal side of the diencephalon in various reptilesneural structure - a structure that is part of the nervous systemnervus opticus, optic nerve, optic tract, second cranial nerve - the cranial nerve that serves the retinahypophysis, pituitary, pituitary body, pituitary gland - the master gland of the endocrine system; located at the base of the brainforebrain, prosencephalon - the anterior portion of the brain; the part of the brain that develops from the anterior part of the neural tubebasal ganglion - any of several masses of subcortical grey matter at the base of each cerebral hemisphere that seem to be involved in the regulation of voluntary movementthalamus - large egg-shaped structures of grey matter that form the dorsal subdivision of the diencephalonhypothalamus - a basal part of the diencephalon governing autonomic nervous system