Medical Definition of Ventricle of diencephalon

1. A narrow, vertically oriented, irregularly quadrilateral cavity in the midplane, extending from the lamina terminalis to the rostral opening of the mesencephalic aqueduct. This ventricle communicates at its rostrodorsal corner with each of the two lateral ventricles through the left and right interventricular foramen of Monro. Its narrow roof is formed by the tela choroidea which is attached on either side to the tenia thalami; its lateral wall by the medial surface of the thalamus and, below the hypothalamic sulcus, by the hypothalamus which also forms its floor. In lateral profile, the third ventricle exhibits a number of recesses: in its floor, from before backward, 1) the preoptic recess in the acute angle between the base of the lamina terminalis and the dorsum of the optic chiasm, 2) the infundibular recess extending ventrally into the infundibulum but (in humans) not into the hypophysial stalk, and 3) the mamillary or inframamillary recess caused by the protrusion of the mamillary bodies into the ventricle. From its dorsocaudal corner, the pineal recess extends caudally into the pineal stalk. Synonym: ventriculus tertius, diacele, ventricle of diencephalon. (05 Mar 2000)



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Lexicographical Neighbors of Ventricle Of Diencephalon

ventralis
ventralize
ventralized
ventralizes
ventralizing
ventrally
ventrals
ventre
ventred
ventres
ventresca
ventri-
ventricle
ventricle of Sylvius
ventricle of cerebral hemisphere
ventricle of diencephalon (current term)
ventricle of rhombencephalon
ventricles
ventricles of heart
ventricose
ventricous
ventricular
ventricular aberration
ventricular afterload
ventricular aneurysm
ventricular arrhythmia
ventricular arrhythmias
ventricular arteries
ventricular band of larynx

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