精子胚層 的英文怎麼說
中文拼音 [jīngzipēicéng]
精子胚層
英文
sperm blastoderm- 精 : Ⅰ形容詞1 (經過提煉或挑選的) refined; picked; choice 2 (完美;最好) perfect; excellent 3 (細)...
- 子 : 子Ⅰ名詞1 (兒子) son 2 (人的通稱) person 3 (古代特指有學問的男人) ancient title of respect f...
- 胚 : 名詞[生物學] (初期發育的生物體) embryo
- 層 : i 量詞1 (用於重疊、積累的東西 如樓層、階層、地層) storey; tier; stratum 2 (用於可以分項分步的...
- 精子 : [生理學] sperm; spermatozoon (pl spermatozoa); spermium (pl spermia)精子活率 sperm motility r...
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Testa the hard dry protective covering of a seed, formed from the integuments of the ovule. after fertilization the layers of the integuments fuse and become thickened and pigmented
外種皮:覆蓋在種子外部的堅硬幹燥的保護層,由胚珠的珠被發育形成。受精作用后珠被各層發生融合併加厚著色。Exoscopic describing the type of development of a plant embryo in which the apex of the sporophyte develops from the outer cell formed by the first division of the zygote, the inner cell giving rise to the foot
外向的:指一種植物胚胎的發育類型,其孢子體的頂端由受精卵的第一次分裂的外層細胞發育而來,內層細胞形成根。
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