(spermatozoon)
51Barrie Gillean Molyneux Jamieson — Barrie G.M. Jamieson Pour les articles homonymes, voir Jamieson. Barrie G. M. Jamieson (Barrie Gillean Molyneux Jamieson), (31 août 1934 ), biologiste australien, est un des plus grands spécialistes actuels de l évolution et de la taxonomie des… …
52Barry G.M. Jamieson — Barrie G.M. Jamieson Pour les articles homonymes, voir Jamieson. Barrie G. M. Jamieson (Barrie Gillean Molyneux Jamieson), (31 août 1934 ), biologiste australien, est un des plus grands spécialistes actuels de l évolution et de la taxonomie des… …
53heredity — /heuh red i tee/, n., pl. heredities. Biol. 1. the transmission of genetic characters from parents to offspring: it is dependent upon the segregation and recombination of genes during meiosis and fertilization and results in the genesis of a new… …
54Oocyte — Stripped human oocyte; granulosa cells that had surrounded this oocyte have been removed. Gray s subject #3 38 …
55Sperm — A sperm is the male "gamete" or sex cell. It combines with the female "gamete," called an ovum, to form a zygote. The formation process is called "fertilization." (see ovum, zygote). * * * SYN: spermatozoon. [G.… …
56Равноногие — Мокрица броненосец Armadilli …
57pregnancy — /preg neuhn see/, n., pl. pregnancies. the state, condition, or quality of being pregnant. [1520 30; PREGN(ANT) + ANCY] * * * Process of human gestation that takes place in the female s body as a fetus develops, from fertilization to birth (see… …
58sperm — sperm1 /sperrm/, n., pl. sperm, sperms for 2. 1. semen. 2. a male reproductive cell; spermatozoon. [1350 1400; ME sperme < LL sperma < Gk spérma seed, equiv. to sper (base of speírein to sow seeds) + ma n. suffix of result] sperm2 /sperrm/, n …
59reproductive system, human — Organ system by which humans reproduce. In females, the ovaries sit near the openings of the fallopian tubes, which carry eggs from the ovaries to the uterus. The cervix extends from the lower end of the uterus into the vagina, whose opening, as… …
60Fertilization — is the process of combining the male gamete, or "sperm," with the female gamete, or "ovum." The product of this combination is a cell called a zygote. * * * The process beginning with penetration of the secondary oocyte by the …
