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单词 keyhole limpet
释义

Definition of keyhole limpet in English:

keyhole limpet

noun
  • A limpet which has an aperture at the apex of the shell, sometimes extending to the margin.

    Family Fissurellidae, class Gastropoda

    Example sentencesExamples
    • Cayenne keyhole limpets are easily identified due to the keyhole-shaped orifice at the apex of the shell.
    • The giant keyhole limpet is a ‘primitive’ snail closely related to the abalone.
    • And at the cutting edge of scientific medicine today, extracts from keyhole limpets are playing an important part in the development of vaccinations and treatments for skin cancer.
    • Unlike other limpets, most keyhole limpets have a small hole in the top of their shell.
    • This is the only keyhole limpet collected from these rocks, and it was found with other rocky intertidal snail shells such as whelks and top shells.
 
 
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更新时间:2024/12/23 10:51:32