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大孢子囊
释义
大孢子囊
Encyclopedia
理学
〔植物形态与结构〕
释
megasporangium
大孢子囊
孢子体进行无性生殖的结构。存在于部分石松类植物(Lycophytes)即水韭科(Isoetaceae)、卷柏科(Selageinellaceae),水生蕨类植物(Ferns)即蘋科(Marsileaceae)、槐叶蘋科(Salviniaceae),以及所有种子植物(spermatophytes)的成熟孢子体上。
Biology
macrosporangium
大孢子囊
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environmental genomics
environmental geochemical grade of atmospheric dry and wet deposition
environmental geochemical grade of irrigation water
environmental geography
environmental geological drilling
environmental geological evaluation
environmental geological investigation
environmental geological map
environmental geological problems
environmental geological remote sensing survey
environmental geoscience
environmental geotechnics
environmental Gini coefficient
environmental governance
environmental group litigation
environmental harmony
environmental hazard
environmental hazards of solid waste
environmental health
Environmental health impact assessment
environmental health impact assessment
environmental health in military position
environmental health map
Environmental Health Perspectives
environmental health promotion
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