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单词 selenodont
释义

selenodont

/sɪˈliːnə(ʊ)dɒnt /
adjective Zoology
1(Of molar teeth) having crescent-shaped ridges on the grinding surfaces, characteristic of ruminant mammals.Correlated with this diet is the evolution of selenodont molar teeth - teeth with crescent-shaped ridges - for more efficient grinding of plants, as seen in this picture of Eocene artiodactyl teeth....
  • In selenodont molars, the enamel ridges form characteristic crescent shapes.
  • The molars of macropodids are hypsodont, quadritubercular, and either selenodont or lophodont or a combination of the two forms.
1.1(Of a ruminant mammal) having selenodont teeth.

Origin

Late 19th century: from seleno- 'moon-shaped' + Greek odous, odont- 'tooth'.

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更新时间:2024/11/12 9:01:34