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单词 Zalambdodont
释义

Zalambdodont

英语百科

Molar (tooth)

Comparison of cheek teeth in various taxa: 1, Reptile; 2, Dromatherium (a Triassic Cynodont); 3, Microconodon (a Triassic Eucynodont); 4, Spalacotherium (a Cretaceous Symmetrodont); 5, Amphitherium (a Jurassic mammal).
Generalized cusp of a mammalian molar. ant, anterior; pos, posterior; ci, lingual cingulum; pa, paraconid; pr, protoconid; me, metaconid; hy, hypoconid; hl, hypoconulid; ec, entocristid; tb, talonid basin

The molars or molar teeth are large, flat teeth at the back of the mouth. They are more developed in mammals. They are used primarily to grind food during chewing. The name molar derives from Latin, molaris dens, meaning "millstone tooth", from "mola", millstone and dens, tooth. Molars show a great deal of diversity in size and shape across mammal groups.

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更新时间:2025/6/20 10:39:59