Med. [f. Gr. ἐγκέφαλο-ς the brain + κήλη tumor.] ‘Protrusion of a portion of the brain through a preternatural opening in the skull’ (Syd. Soc. Lex.).
1835–6. Todd, Cycl. Anat., I. 744/1. That malformation termed encephalocele.
1878. T. Bryant, Pract. Surg., I. 239. In the true encephalocele, the brain itself is pressed out of the skull into the external tumour.
