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Dentary Bone

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Dentary Bone 

(1) The bone that forms each half of the mandible in man and mammals; in other vertebrates, the anterior element of the secondary jaw. The teeth are usually located on the dentary bone (hence the name). In some animals the teeth on the dentary bone are reduced (in a number of caudate amphibians, tortoises, birds, and monotremate mammals); in lungfish, the dentary bone itself is reduced.

(2) [In Russian], the name sometimes given to the tissue that makes up the principal mass of the tooth, dentin.
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The changes ill the anatomy of the jaws that took place as mammal-like reptiles evolved into mammals were characterized by an increase in the size of the temporalis muscle and the dentary bone and a reduction in the size of the postdentary bones (i.
Phylogeny and embryology of the facial nerve and related structures. ... by Selber, Jesse C. / Ear, Nose and Throat Journal
 
 
 
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