Medical

hyostylic jaw suspension

a form of jaw suspension in which the upper jaw is articulated to the skull only by means of ligaments and the hyomandibula, as in the dogfish.

Collins Dictionary of Biology, 3rd ed. © W. G. Hale, V. A. Saunders, J. P. Margham 2005

Mentioned in

autostylic jaw suspension

References in periodicals archive

Most modern fish (bony fish with fins) have a hyostylic jaw suspension, which is responsible for their unique ability to move their entire jaw apparatus forward independent of the brain case.

Phylogeny and embryology of the facial nerve and related structures. Part I: phylogeny

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