单词 | epigynum |
释义 | epigynumnoun epig·y·num i-ˈpi-jə-nəm e- variants or epigyne ˈe-pə-ˌjīn plural epigynums or epigyna i-ˈpi-jə-nə e- or epigynes : an external genital structure of a female spider consisting of a variably-shaped, hardened plate on the underside of the abdomen with typically one or two openings through which sperm is transferred from a male palpus The epigynum of different spiders is highly variable in size and form, in ways that have little relation to general classification but are characteristic of species. The projections on the male palp will fit only into the epigyne of a female of the same species. |
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