part_of
part of
part of
has part
has part
has_part
characteristic of
has modifier
abnormal presphenoid bone morphology
absent presphenoid bone
MP:0004449
MPheno.ontology
absence of 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
abnormal
absent
basisphenoid bone
presphenoid bone