Cebocephaly (from Greek kebos, "monkey" + kephale, "head") is a developmental anomaly that is part of a group of defects called holoprosencephaly.

Cebocephaly involves the presence of two separate eyes set close together and a small, flat nose with a single nostril (no nasal septum).

[3] Cebocephaly may cause malformations of the sphenoid and ethmoid bones behind the orbit.

[6][7] After birth, cebocephaly is diagnosed based on the characteristic symptoms.

[1] The word "cebocephaly" is derived from Greek kebos (monkey), and kephale (head).