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单词 hypoconulid
释义 hypoconulid Zool.|haɪpəʊˈkəʊnjuːlɪd|
[f. hypocone + -ul- + -id5.]
An intermediate cusp between the principal ones on the heel of a mammalian lower molar tooth.
1897H. F. Osborn in Amer. Naturalist XXXI. 1002 The talonid widened into a basin-like shelf supporting an outer cusp, the ‘hypoconid’; an intermediate cusp, the ‘hypoconulid’, and an inner cusp, the ‘entoconid’.Ibid. 1003 Why notice such a detail as the posterior intermediate cusp or hypoconulid?1933A. S. Romer Vertebr. Paleontol. xii. 248 A hypoconulid may also appear in the heel.1972Nature 24 Mar. 180/1 Oligopithecus as well as the other Fayum catarrhines share the distinct lingually placed and somewhat prominent hypoconulid.
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