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dentary

American  
[den-tuh-ree] / ˈdɛn tə ri /

noun

Zoology.
  • dentaries
    plural
  1. one of a pair of membrane bones that in lower vertebrates form the distal part of the lower jaws and in mammals comprise the mandible.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of dentary

1820–30; < Latin dentārius of the teeth, equivalent to dent- (stem of dēns ) tooth + -ārius -ary

Example Sentences

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See Examples For:

The lower jaw of mammals consists of only one bone, the dentary.

From Textbooks Jan. 1, 2015

In mammals, the dentary bone joins the skull at the squamosal bone, while in other vertebrates, the quadrate bone of the jaw joins with the articular bone of the skull.

From Textbooks Jan. 1, 2015

The dentary bone bears 17 curved teeth that decrease in size posteriorly.

From Natural History of Cottonmouth Moccasin, Agkistrodon piscovorus (Reptilia) by Ray D. Burkett

From S. merriami of southeastern Wyoming, it differs in having a shorter, much shallower dentary, a shorter molar row, and a lower coronoid.

From Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico by James S. Findley

The angular and dentary of the lower jaw appear concurrently with the dentigerous bones.

From Neotropical Hylid Frogs, Genus Smilisca by William E. Duellman

The greater part of the under-jaw is formed by the right and left dentaries, which in all recent birds are fused together in front.

From Encyclopaedia Britannica, 11th Edition, Volume 3, Slice 7 "Bible" to "Bisectrix" by Various

M. submentalis lies in the anterior angle of the lower jaw, is thick, and consists of transverse fibers extending between the dentaries.

From Neotropical Hylid Frogs, Genus Smilisca by William E. Duellman

The horizontal rami of the dentaries are the same.

From Pleistocene Soricidae from San Josecito Cave, Nuevo Leon, Mexico by James S. Findley

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