英:[ˌprəʊtə'ni:mə]
美:[ˌproʊtə'nimə]
英:[ˌprəʊtə'ni:mə]
美:[ˌproʊtə'nimə]
复数:protonemata
原丝体
New Latin protonemat-, protonema, from prot- + Greek nēma thread — more at nemat-
The first known use of protonema was in 1857
1 The production of massive protonema immediately follows and then caulonema, chloronema and secondary rhizoides.
块状原丝体的产生紧随其后,其次是茎丝体、绿线体和次生根丝体。
2 Describing the characters and developmental features of spore germination and protonema development of moss applied in this research by microscopy.
采用显微观察的方法具体描述了藓类植物孢子萌发与原丝体发育的特征及发育特点。
3 Protonema ( pl . protonemata ) The young bryophyte gametophyte that develops following spore germination.
苔藓植物中直接由孢子萌发形成的结构称为原丝体.
4 The production of massive protonema immediately follows and then caulonema, chloronema and secondary rhizoides.
孢子萌发后直接产生块状原丝体;块状原丝体上产生轴丝体 、 绿丝体和次生假根.