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单词 epimeron
释义

epimeron

/ˌɛpɪˈmɪːrən /
noun (plural epimerons or epimera)
(In insects) the posterior part of the side wall of a thoracic segment.Its posterior margin runs at right angles to the longitudinal axis, before swinging inwards to form distinct genal angles and a genal epimeron on the left-hand side....
  • Where the posterior margin intercepts the lateral margin on either side, a sharp, posteriorly directed epimeron is formed.
  • Together the epimera on each side form a wall that encloses and protects the space ventral to the sternites.

Origin

Mid 19th century: from epi- 'near' + Greek mēros 'thigh'.

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更新时间:2024/12/23 10:51:28