Kuo in the August 10, 2000 edition of 'Nature' that sea urchin sperm contains an enzyme that synthesizes nitric oxide gas; How raising nitric oxide within an egg activates the cell's development; Question of whether the sperm of other animals, including people, use nitric oxide as a signal...
sperm cell 添加到生词本 英汉-汉英词典 精 近义、反义、联想词 义词 n. gamete 英语例句库 Syngamy - The fusion of egg andsperm cellsinto a zygote. Syngamy - 合卵和精子 成受精卵。 We focused on several key events during fertilization from membrane fusion to karyogamy ofsperm cellsand egg ...
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Fertilization of human egg cell by sperm cell spermatozoon 3D illustration,站酷海洛,一站式正版视觉内容平台,站酷旗下品牌.授权内容包含正版商业图片、艺术插画、矢量、视频、音乐素材、字体等,已先后为阿里巴巴、京东、亚马逊、小米、联想、奥美、盛世长城、百度、36
cell名— 电池名 · 牢房名 · 密室名 查看其他译文 © Linguee 词典, 2024 ▾ 外部资源(未审查的) Its fluid increasesspermmotility and lubricates the urethra in order to prevent infection. iherb.com iherb.com 其流体提高精子活力和润滑尿道,以防止感染。
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Cytoplasmic nucleoids in the generative cell of mature pollens, sperm cells of pollens cultured in vitro and egg cell of mature embryo sac in Calystegia hederacea Wall, were studied by means of the DNA fluorochrome DAPI in conjunction with epifluorescence microscopy for in situ detection of cyto...
1.A sperm cell develops from a sperm mother cell. 精细胞从精母细胞发育而成. 2.How can an X chromosome be nearly as big as the head of the sperm cell? 染色体怎么会接近性子头部的大小? 3.The vaccine works by blocking male sperm cell from joining female egg cell. ...
Sperm, male reproductive cell, produced by most animals. In higher vertebrates, especially mammals, sperm are produced in the testes. The sperm unites with (fertilizes) the ovum (egg) of a female to produce a new offspring. Mature sperm have two distingu
cell from 46 (diploid) to 23 (haploid). In human males, meiosis begins after birth, and, upon reaching puberty, men produce sperm continuously for the rest of their lives. In human females, meiosis begins before birth and the raw materials for egg cell production are formed while the ...