Plural of dentary; a pair of bones in the lower jaw of vertebrates that typically bear teeth.
Plural of 'dentary,' from Latin 'dentalis' (relating to teeth). The term is from anatomy and paleontology, describing a specific jaw bone.
The dentary bone is literally the evolutionary secret to how mammals developed unique jaws—when fish evolved into early tetrapods, their old jaw bones shrank and became our ear bones (the hammer, anvil, and stirrup)!
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