Definition of dentary in English:
noun (plural dentaries)Zoology
The anterior bone of the lower jaw, which bears the teeth. In mammals it forms the whole of the lower jaw (or mandible).
- Associated remains found with this skeleton consist of acid - etched vertebrae and a fragmentary dentary from juvenile hadrosaur dinosaurs.
- During mammalian evolution, the lower jaw became just one bone, the dentary, with the articular no longer attached to the lower jaw.
- Mammals are unique among extant vertebrates in possessing a lower jaw formed by a single bony element, the dentary.
Definition of dentary in:
- British & World English dictionary
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