Anat. [f. EP- + ENCEPHALON.] The anterior of the two enlargements into which the posterior primary vesicle of the brain divides. Also called hind-brain.
1854. Owen, in Circ. Sc. (c. 1865), II. 59/2. The epencephalon … derives a further … bony covering from the basisphenoid and the parietals.
1881. Mivart, Cat, 358. The anterior part of this third vesicle is sometimes called the Epencephalon.
