An individual with congenitally defective face and head. ... Origin: pero-+ G. Kephale, head ... (05 Mar 2000) ... 
(pe″ro-sef´ә-lәs) an individual with a congenitally deformed head and face.
Type: Term Pronunciation: pē′rō-sef′ă-lŭs Definitions: 1. A person with congenitally defective face and head.
perocephalus 1. A developmental anomaly characterized by a distortion of the head and face. 2. An embryo, fetus, or postnatal individual with a congenitally malformed face and cranium.