Presphenoid /(?)/

Pre·sphe·noid

Presphenoid

a.
  1. Situated in front of the sphenoid bone; of or pertaining to the anterior part of the sphenoid bone (i. e., the presphenoid bone). (Anat.)

Phrases & Compounds
Presphenoid bone
the anterior part of the body of the sphenoid bone in front of the basisphenoid. It is usually a separate bone in the young or fetus, but becomes a part of the sphenoid in the adult.

Presphenoid

n.
  1. The presphenoid bone. (Anat.)