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megasporangium
释义
megasporangium
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。
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truncated prism
truncated pyramid
truncated regression
truncated reverse path broadcasting
truncated reverse path broadcasting, TRPB
truncated ring
truncated sample
truncated sequence
truncated sequential probability ratio test
truncated system
truncated tetrahedral number
truncated tetrahedron
truncated tree
truncated variation
truncated Witt graph
truncation
truncation error
truncation factor
truncation functor
truncation of a function
truncation point
truncation retrieval
truncus aortae
truncus pulmonalis
Trung Veanh
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