protonema

英式音标：[ˌprəʊtə'ni:mə]

美式音标：[ˌproʊtə'nimə]

词义：

n.

原丝体，丝状体；

变形

复数：protonemata

英英释义

Protonema

Protonema cells of the [[moss Physcomitrella patens]]

以上来源于:Wikipedia

用法：

双语例句

用作名词(n.)

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。

权威例句

Studies of protonemal morphogenesis in mosses IV. Aloina (Pottiales)

Auxin regulation of caulonema formation in moss protonema

Studies of protonemal morphogenesis in mosses V. Diphyscium foliosum (Hedw.) Mohr (Buxbaumiales)

Die Abhängigkeit des Protonemawachstums und der Protonemapolarität bei Farnen vom Licht

Studies of protonemal morphogenesis in mosses. XII. Ephemeropsis, the zenith of morphological differentiation

Mechanically Induced Avoidance Response of Chloroplasts in Fern Protonemal Cells

Growth Regulation by Ethylene in Fern Gametophytes. I. Effects on Protonemal and Rhizoidal Growth and Interaction with Auxin

Microtubules and microfilaments in tip growth. Evidence that microtubules impose polarity on protonemal growth in Physcomitrella pat...

Epiphytic Bacteria Associated with the Bryophyte Funaria hygrometrica: Effects of Methylobacterium Strains on Protonema Development

Effects of nutrients, cell density and culture techniques on protoplast regeneration and early protonema development in a moss, Phys...

造句：

1. 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。

chazidian.com

2. 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。

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3. The techniques about carpospore collection, cultivation of protonema, regulation of illumination, measure of induced mature were reported in the paper.

报导了坛紫菜果孢子采苗、丝状体培育、光照调节、促熟措施、壳孢子采苗等方面的技术和经验。

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4. This paper covers spore germination and protonema development of 4 species of mosses from Mt.

研究了山东崂山产4种藓类植物的孢子萌发和原丝体发育特征。

dict.youdao.com

5. Pipelike thallus was formed by vertical-division of the middle protonema cells, and top-cell kept horizontal-division.

丝状体顶端以下细胞通过纵分裂形成管状叶状体，顶端细胞始终保持横分裂；

dict.cnki.net

6. Pipelike thallus was formed by vertical-division of the middle protonema cells, and top-cell kept horizontal-division.

丝状体顶端以下细胞通过纵分裂形成管状叶状体，顶端细胞始终保持横分裂；

dict.cnki.net

7. secondary protonema

次生原丝体

-- 来源 -- 英汉 - 翻译参考[网络]

8. primary protonema

初生原丝体

-- 来源 -- 英汉 - 翻译参考[网络]