| 单词 | spore case |
| 释义 | spore case (once / 176408 pages) n WORD FAMILY spore case: spore cases USAGE EXAMPLESA planet claimed it, with other stellar debris, and the leech fell, still dead-seeming within its tough spore case. Connell, The Leech(2010) The little frondlets have their points turned down, to form spore cases. Iles, George, Little Masterpieces of Science: Exp...(2010) The spore cases have a wall with a shiny brown covering, or apparently with this covering worn off and exhibiting an interior white shell. Fewkes, Jesse Walter, Archeological Expedition to Arizona...(2010) 1n organ containing or producing spores Syn|Hypo|Hyper sporangium, spore sac macrosporangium, megasporangium a plant structure that produces megaspores microsporangiuma plant structure that produces microspores eusporangiuma sporangium that arises from a group of epidermal cells leptosporangiuma sporangium formed from a single epidermal cell; characteristic of the Filicales or of almost all modern ferns tetrasporangiuma sporangium containing four asexual spores reproductive structure the parts of a plant involved in its reproduction 2n specialized leaf branch in certain aquatic ferns that encloses the sori or clusters of sporangia Syn|Hyper sporocarp reproductive structure the parts of a plant involved in its reproduction |
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