Quadratojugal bone
Quadratojugal Quad*ra`to*ju"gal, a. (Anat.) (a) Of or pertaining to the quadrate and jugal bones. (b) Of or pertaining to the quadratojugal bone. -- n. The quadratojugal bone. [1913 Webster]

{Quadratojugal bone} (Anat.), a bone at the base of the lower jaw in many animals. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Quadratojugal — Quad*ra to*ju gal, a. (Anat.) (a) Of or pertaining to the quadrate and jugal bones. (b) Of or pertaining to the quadratojugal bone. n. The quadratojugal bone. [1913 Webster] {Quadratojugal bone} (Anat.), a bone at the base of the lower jaw in… …   The Collaborative International Dictionary of English

  • quadratojugal — 1. adjective a) Of or pertaining to the quadrate and jugal bones. b) Of or pertaining to the quadratojugal bone. 2. noun A small jaw bone found in the skull of most reptiles, amphibians and birds …   Wiktionary

  • Quadratojugal — The quadratojugal is a small jaw bone that is present in most amphibians, reptiles, and birds, but has been lost in mammals. It is connected to the jugal as well as other bones, though these may vary with species …   Wikipedia

  • quadratojugal — I. kwä|drād.ō+ adjective Etymology: quadrate (I) + o + jugal 1. : of, relating to, or joining the quadrate and jugal bones 2. : being a quadratojugal II. noun : a small …   Useful english dictionary

  • quadratojugal — a paired dermal bone behind the quadrate, e.g. in Lepisosteus and Acipenseridae. It may be an independent ossification, e.g. in Salmo and Syngnathus. Sometimes called interopercle or preopercle from its position …   Dictionary of ichthyology

  • Quadrate bone — The quadrate bone is part of a skull in most tetrapods, including amphibians, sauropsids (reptiles, inclused birds) and early synapsids. In these animals it connects to the quadratojugal and squamosal in the skull, and forms part of the jaw joint …   Wikipedia

  • Zatrachydidae — Taxobox name = Zatrachydidae image caption = Dasyceps regnum = Animalia phylum = Chordata superclassis = Tetrapoda classis = Amphibia ordo = Temnospondyli subordo = Euskelia superfamilia = Eryopoidea familia = Zatrachydidae familia authority =… …   Wikipedia

  • Odontopteryx — Odontornis redirects here. For the Cretaceous toothed birds, see Odontornithes. Odontopteryx Skull of Odontopteryx toliapica White areas are restored …   Wikipedia

  • Tanycolagreus — Taxobox name = Tanycolagreus fossil range = Late Jurassic regnum = Animalia image width = 250px image caption = Tanycolagreus fossil cast, North American Museum of Ancient Life. phylum = Chordata classis = Sauropsida superordo = Dinosauria ordo …   Wikipedia

  • List of anatomical topics — This page aims to list articles related to anatomy. This list is not necessarily complete or up to date if you see an article that should be here but isn t (or one that shouldn t be here but is), please update the page accordingly. NOTOC A… …   Wikipedia

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