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hyo·man·dib·u·lar | \ ˌhī-ō-man-ˈdib-yə-lər 
\
\Medical Definition of hyomandibular
(Entry 1 of 2)
: of or derived from the hyoid arch and mandible specifically : being or relating to the dorsal segment of the hyoid arch
hyomandibular
nounMedical Definition of hyomandibular (Entry 2 of 2)
: a bone or cartilage derived from the dorsal hyoid arch that is part of the articulating mechanism of the lower jaw in fishes and forms the columella or stapes of the ear of higher vertebrates
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