单词 | pseudodont |
释义 | > as lemmaspseudodont pseudodont adj. Brit. /ˈs(j)uːdə(ʊ)dɒnt/ , U.S. /ˈsudoʊˌdɑnt/ , /ˈsudəˌdɑnt/ Zoology having or designating a structure that functions as a tooth but is not a true tooth (as in the duck-billed platypus, which has a series of horny plates in each jaw).ΚΠ 1890 Cent. Dict. Pseudodont, having false teeth, as a monotreme. 1980 Copeia No. 4. 621 The dentary, maxillary and palatines all showed marked crenulations along the masticatory surfaces, which produced a pseudodont pattern comparable to that seen in the living turtles Chrysemys nelsoni and Dermatemys mawii. 1993 Jrnl. Paleontol. 67 268/2 The maxilla..has the remnants of three teeth firmly set in the jaw. A small projection of bone anterior to these may be the remnants of a pseudodont tooth. < as lemmas |
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