Hyoid apparatus

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Hyoid apparatus of a leopard gecko, Euplepharis maculatus, with attached tracheal rings (ventral view, anterior towards the right)

In veterinary anatomy, the term hyoid apparatus is the collective term used to refer to the bones associated with the larynx — a pair of stylohyoidea, a pair of thyrohyoidea, a pair of epihyoidea, a pair of ceratohyoidea, and unpaired basihyoideum[1] — and associated, upper-gular connective tissues.[2]

In humans, the single hyoid bone is an equivalent of the hyoid apparatus.[3]


  1. ^ Shoshani J., Marchant G.H. (2001.) Hyoid apparatus: a little-known complex of bones and its "contribution" to proboscidean evolution, The World of Elephants - International Congress, Rome, pp. 668–675.
  2. ^ Klappenbach, Laura. "Hyoid Apparatus - Definition of Hyoid Apparatus". The New York Times Company. Retrieved 12-08-05.  Check date values in: |access-date= (help)
  3. ^ "hyoid apparatus - Definition". mondofacto.com.