prophase meiosis
41SMC3 (gene) — Structural maintenance of chromosomes 3, also known as SMC3, is a human gene.cite web | title = Entrez Gene: SMC3 structural maintenance of chromosomes 3| url = http://www.ncbi.nlm.nih.gov/sites/entrez?Db=gene Cmd=ShowDetailView… …
42mitosis — mitotic /muy tot ik/, adj. mitotically, adv. /muy toh sis/, n. Cell Biol. the usual method of cell division, characterized typically by the resolving of the chromatin of the nucleus into a threadlike form, which condenses into chromosomes, each… …
43bivalent — 1. Having a combining power (valence) of 2. SYN: divalent. 2. In cytology, a structure consisting of two paired homologous chromosomes, each split into two sister chromatids, as seen during the pachytene stage of prophase in meiosis. SEE ALSO …
44prometaphase — The stage of mitosis or meiosis in which the nuclear membrane disintegrates and the centrioles reach the poles of the cell, while the chromosomes continue to contract. * * * pro·meta·phase met ə .fāz n a stage sometimes distinguished between the… …
45synapsis — The point for point pairing of homologous chromosomes during the prophase of meiosis. SYN: synaptic phase. [G. a connection, junction] * * * syn·ap·sis sə nap səs n, pl ap·ses .sēz the association of homologous chromosomes with chiasma formation… …
46Хромосомы типа ламповых щёток — Хромосома типа ламповых щеток из ядра ооцита тритона Хромосомы типа ламповых щеток, впервые обнаруженные В. Флеммингом в 1882 году,  это специальная форма хромосом, которую они приобретают в растущих ооцитах (женских половых клетках)… …
47Meiose — Mei|o|se 〈f. 19; Genetik〉 = Reduktionsteilung * * * Mei|o|se, die; , n [griech. mei̓ōsis = das Verringern] (Biol.): (bei der Zellteilung) in zwei unterschiedlichen Prozessen verlaufende Reduktion des bei der Befruchtung verdoppelten Bestandes an… …
48Ovulation — is the process in a female s menstrual cycle by which a mature ovarian follicle ruptures and discharges an ovum (also known as an oocyte, female gamete, or casually, an egg). Ovulation also occurs in the estrous cycle of other female mammals,… …
49Oocyte — Stripped human oocyte; granulosa cells that had surrounded this oocyte have been removed. Gray s subject #3 38 …
50Barbara McClintock — Barbara McClintock …
