| 释义 |
metaconule Zool.|mɛtəˈkəʊnjʊl|
[f. metacone + -ule.]
An intermediate cusp between the hypocone and the metacone of a mammalian upper molar tooth.
1888H. F. Osborn in Amer. Naturalist XXII. 1074 The Bunodont series are universally characterized by the initial or advanced development of the proto- and metaconules in the upper molars. 1905Amer. Geologist XXXV. 244 The intermediate cusps (protoconule and metaconule) are both well-defined. 1968R. Zangerl tr. Peyer's Compar. Odontol. 187 Intermediate cusps occurred.., a metaconule between protocone and metacone. 1971W. D. Turnbull in A. A. Dahlberg Dental Morphol. & Evolution ix. 163 (caption) Specimen consists of the protocone and metaconules. |