hyomandibular cleft
Also found in: Encyclopedia.
hy·o·man·dib·u·lar cleft
the cleft between the hyoid (second) and mandibular (first) pharyngeal arches of the embryo; the external acoustic meatus is developed from its dorsal portion.
Synonym(s): first pharyngeal groove, first visceral cleft
hy·o·man·dib·u·lar cleft
(hīō-man-dibyū-lăr kleft)Cleft between the hyoid (second) and mandibular (first) pharyngeal arches of the embryo; external acoustic meatus is developed from its dorsal portion.
Synonym(s): first pharyngeal groove, first visceral cleft.
Synonym(s): first pharyngeal groove, first visceral cleft.