- female nucleus
- 雌核
English-Chinese Dictionary of Agriculture (英汉农业大词典). 2013.
female nucleus
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female pronucleus — n the nucleus that remains in a female gamete after the meiotic reduction division and extrusion of polar bodies and contains only one half the number of chromosomes characteristic of its species compare MALE PRONUCLEUS * * * the haploid nucleus… … Medical dictionary
Nucleus — Nu cle*us, n.; pl. E. {Nucleuses}, L. {Nuclei}. [L., a kernel, dim. fr. nux, nucis, nut. Cf. {Newel} post.] [1913 Webster] 1. A kernel; hence, a central mass or point about which matter is gathered, or to which accretion is made; the central or… … The Collaborative International Dictionary of English
Nucleus — 1) In cell biology, the structure that houses the chromosomes. 2) In neuroanatomy, a group of nerve cells. * * * 1. In cytology, typically a rounded or oval mass of protoplasm within the cytoplasm of a plant or animal cell; it is surrounded by a… … Medical dictionary
female pronucleus — noun : the nucleus that remains in a female gamete after reduction and extrusion of polar bodies and that contains only one half of the number of chromosomes characteristic of its species compare male pronucleus … Useful english dictionary
nucleus of oocyte — the structure within the oocyte that becomes the female pronucleus after fertilization has occurred … Medical dictionary
segmentation nucleus — Nucleus formed by union of male and female pronuclei during fertilization … Dictionary of invertebrate zoology
Sexually dimorphic nucleus — (SDN) is a cluster of cells located in the preoptic area of hypothalamus of the brain that is believed to be related to sexual behavior in animals. The volume of SDN is significantly larger (about twice) in males than in females, caused mainly by … Wikipedia
Onuf's nucleus — Medulla spinalis Substantia grisea (Onuf s nucleus not labeled, but region is visible) Latin nucleus nervi pudendi … Wikipedia
Ventromedial nucleus — Brain: Ventromedial nucleus Ventromedial nucleus is VM , at center, in green. Latin nucleus ventromedialis hypothalami Part of Hypothalamus … Wikipedia
cleavage nucleus — noun : the zygote nucleus formed by the fusion of male and female pronuclei * * * cleavage nucleus, Embryology. the nucleus which results from the union of the male and female pronuclei, before the division of the egg into two blastomeres … Useful english dictionary
polar nucleus — noun : either of two nuclei that fuse in the center of the embryo sac of a seed plant to form the primary endosperm nucleus * * * Bot. either of two female haploid nuclei, in the embryo sac of flowers, that fuse to produce a diploid nucleus,… … Useful english dictionary
