单词 | frenulum |
释义 | frenulum [`fren·yǝ·lǝm] ANATOMY 1. A small fold of integument or mucous membrane. 2. A small ridge on the upper part of the anterior medullary velum. INVERTEBRATE ZOOLOGY A spine on most moths that projects from the hindwings and is held to the forewings by a clasp, thus coupling the wings together. |
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