Definitions

from The Century Dictionary and Cyclopedia

  • In ichthyology, situated above or upon, or forming the uppermost piece of, the tympanic pedicle which supports the mandible in fishes; hyomandibular.
  • n. In ichthyology, the uppermost or proximal bone of the tympanomandibular or third cranial hemal arch in fishes, by means of which the lower jaw is suspended from the skull: so named by Owen, but now usually called the hyomandibular (which see). The term is correlated with hypotympanic, mesotympanic, and pretympanic.
  • Situated upon or above the tympanum.

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