| 单词 | 孢子囊 |
| 释义 | DEFINITIVE EXAMPLES 权威例句〔amphithecium〕The outer layer of cells of the spore-containing capsule of a moss.蒴周层：藓类孢子囊的外层细胞美国传统〔annulus〕A ring or group of thick-walled cells around the sporangia of many ferns that functions in spore release.环带：蕨类植物孢子囊周围具有释放孢子功能的环或一组细胞壁很厚的细胞美国传统〔antheridium〕A sperm-producing organ occurring in seedless plants, fungi, and algae.孢子囊，精子囊：无籽植物，菌类植物和藻类植物的孢子囊美国传统〔antherozoid〕A male gamete produced by an antheridium.游动精子：孢子囊产生的雄蕊美国传统〔megasporophyll〕A leaflike structure that bears megasporangia.（植）大孢子叶：带有大孢子囊的叶形结构美国传统〔microsporangium〕A structure in which microspores are formed.小孢子囊：小孢子在其中形成的结构美国传统〔microsporophyll〕A leaflike structure that bears microsporangia.小孢子叶：长有小孢子囊的叶状结构美国传统〔nucellus〕The central portion of an ovule in which the embryo sac develops; the megasporangium.珠心：胚珠的中心，胚芽囊在此发育；大孢子囊美国传统〔perithecium〕A small flask-shaped fruiting body in ascomycetous fungi that contains the ascospores.子囊壳：某些含有子囊的孢子囊菌的瓶状小实体美国传统〔sorus〕A cluster of sporangia borne on the underside of a fern frond.孢子堆：蕨类植物的叶子下方所长的一串孢子囊美国传统〔spermatangium〕A structure that produces spermatia in red algae.孢子囊：红藻中产生性孢子的结构美国传统〔sporangiophore〕A specialized branch bearing one or more sporangia.孢子囊：含有一个或多个孢子的专门分枝美国传统〔sporocyst〕A protective case or cyst in which sporozoites develop and from which they are transferred to different hosts.孢子囊：一种保护囊，孢子虫发育于此并由此而转变成不同的寄主或宿主美国传统〔tapetum〕Botany A nutritive tissue within the sporangium, particularly within an anther.【植物学】 绒毡层：一种位于孢子囊内的一层富含养分的组织，尤指位于花药里的美国传统〔tetrasporangium〕A unicellular sporangium found in certain red algae in which four tetraspores are produced from meiosis.四分孢子囊：在某一红藻中发现的单细胞孢子，它在减数分裂中产生四个四分孢子美国传统〔tetraspore〕One of four spores produced from a tetrasporangium.四分孢子：产于四分孢子囊中的四个孢子之一美国传统〔zoosporangium〕A sporangium in which zoospores develop.游动孢子囊：游动孢子繁殖的孢子囊美国传统 |
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