单词 | micropyle |
释义 | Word Frequency micropyle(ˈmaɪkrəʊˌpaɪl) noun 1. a small opening in the integuments of a plant ovule through which the male gametes pass 2. a small pore in the shell of an insect's eggs through which the sperm passes Derived forms micropylar (ˌmicroˈpylar) adjective Word origin C19: from micro- + Greek pulē gate |
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