单词 | predentary |
释义 | > as lemmaspredentary predentary adj. and n. Brit. /(ˌ)priːˈdɛntəri/ , U.S. /ˌpriˈdɛn(t)əri/ Zoology (a) adj. designating a bone situated in front of the dentary bone in some non-mammalian vertebrates (esp. ornithischian dinosaurs); (b) n. a predentary bone.ΚΠ 1889 H. A. Nicholson & R. Lydekker Man. Palæontol. (ed. 3) II. 1155 The mandible [in the Iguanodontidæ], again, presents the peculiar feature of having a horse-shoe-like predentary bone at the extremity of the symphysis. 1915 Canada Dept. Mines Museum Bull. Geol. ser. 24 12 12 The nasal horn cores may be considered as..similar to the epijugals, epoccipitals, the rostral, and the predentary. 1985 D. Norman Illustr. Encycl. Dinosaurs 102/2 At the front of the jaw there is a familiar horn-covered predentary. 2001 Evolution 55 1432/2 Examples include..the predentary bone of ornithischian and rostral bone of ceratopsian dinosaurs. < as lemmas |
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