posterohyal

posterohyal
epihyal (the deep bone at the upper end of the hyoid arch below the interhyal. May bear a dentigerous plate. Also called dorsal ceratohyal. May or may not be homologous with the epal element of the branchial arches)

Dictionary of ichthyology. 2009.

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  • arcus hyoideus — (plural arcus hyoidei)) hyoid arch (the arch lying between the gill arches and jaws, with which it is believed homologous and which helps support the floor of the mouth cavity. Composed in teleostomes of the following paired endoskeleton elements …   Dictionary of ichthyology

  • ceratohyal — the endochondral bone articulating dorsally with the interhyal, anteriorly supporting some branchiostegal rays and ventrally joining one or two hypohyals. The ceratohyal and the epihyal are two ossification centres of the same bone and should… …   Dictionary of ichthyology

  • dorsal cerathyal — epihyal (the deep, endochondral bone at the upper end of the hyoid arch below the interhyal. It joins the hyomandibular and the symplectic through the interhyal, and articulates with the ceratohyal by a suture in some fishes, e.g. Gadidae. May… …   Dictionary of ichthyology

  • epihyal — the deep, endochondral bone at the upper end of the hyoid arch below the interhyal. It joins the hyomandibular and the symplectic through the interhyal, and articulates with the ceratohyal by a suture in some fishes, e.g. Gadidae. May bear a… …   Dictionary of ichthyology

  • hyoid arch — the arch lying between the gill arches and jaws, with which it is believed homologous and which helps support the floor of the mouth cavity. Composed in teleostomes of the following paired endoskeleton elements: hyomandibula, symplectic,… …   Dictionary of ichthyology

  • os epihyale — (plural ossa epihyalia)) epihyal (the deep, endochondral bone at the upper end of the hyoid arch below the interhyal. It joins the hyomandibular and the symplectic through the interhyal, and articulates with the ceratohyal by a suture in some… …   Dictionary of ichthyology

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