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单词 hypoconid
释义 hypoconid Zool.|haɪpəʊˈkəʊnɪd|
[f. hypocone + -id5.]
A cusp on a mammalian lower molar tooth corresponding to the hypocone on an upper molar.
1888H. F. Osborn in Amer. Naturalist XXII. 1075 There is no evidence as to the origin of the hypoconid, which as a rule preceded the hypocone.1919J. H. Mummery Microsc. Anat. Teeth i. 36 In man the trigonid is represented by the protoconid and metaconid only,..and the five cusps are made up of these and three cusps of the talonid—the hypoconid, entoconid, and hypoconulid.1968R. Zangerl tr. Peyer's Compar. Odontol. 187 In the lower jaw three cusps developed on the talonid: counting labio-lingually, hypoconid, hypoconulid, and entoconid.1970Nature 25 July 356/1 The crest connecting the entoconid and the hypoconid was continuous.
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