paracephalus

paracephalus

 [par″ah-sef´ah-lus]
a malformed fetus with a rudimentary head and imperfect sense organs.

paracephalus

(păr″ă-sĕf′ă-lŭs) [″ + kephale, head]
A parasitic placental twin with a small rudimentary head.

paracephalus

a fetus with a defective head and imperfect sense organs.