(gamete)
101ovule — [ ɔvyl ] n. m. • 1798; lat. sav. ovula, du lat. ovum « œuf » 1 ♦ Bot. Chez les angiospermes, Gamète femelle végétal (⇒ oosphère) qui, après la fécondation, se transforme en graine. Pièces afférentes à l ovule : chalaze, funicule, micropyle,… …
102Complémentarité des gamètes (mammifères) — L étude d un gamète de mammifère de façon isolée ne permet pas de prendre toute la mesure de son implication dans le processus de reproduction. Il faut envisager les différentes spécificités de chaque gamète en les mettant en relation avec les… …
103GIFT — A technique in which the male and female cells required to begin reproduction are injected into the fallopian tubes of the female for fertilization. This technique is one of the methods doctors use to overcome infertility, the inability of… …
104Meiosis — Not to be confused with miosis, mitosis, or myositis. For the figure of speech, see meiosis (figure of speech). Events involving meiosis, showing chromosomal crossover Meiosis (pronounced /maɪˈoʊsɨs/&# …
105Sex — An organism s sex is defined by the gametes it produces: males produce male gametes (spermatozoa, or sperm) while females produce female gametes (ova, or egg cells); individual organisms which produce both male and female gametes are termed… …
106isogamete — 1. One of two or more similar cells that conjugate or fuse and subsequently divide, resulting in reproduction. 2. A gamete of the same size as the gamete with which it unites. [iso + G. gametes or gamete, husband or wife] * * * iso·ga·mete .ī sō… …
107aplanogamete — (ˈ)āˈplanəgəˌmēt, ˌāˌplanəgəˈm , |āˌplanəˈgaˌm noun ( s) Etymology: aplano + gamete : a nonmotile gamete (as in certain lower algae) compare planogamete * * * /ay plan euh geuh meet , ay plan euh geuh meet , ay plan euh gam eet/, n. Cell Biol. a… …
108heredity — /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… …
109reproductive system, animal — Introduction any of the organ systems by which animals reproduce. The role of reproduction is to provide for the continued existence of a species; it is the process by which living organisms duplicate themselves. Animals compete with… …
110oogamete — |ōə+ noun Etymology: o + gamete : a female gamete; specifically : a relatively large nonmotile gamete containing reserve material for use by the developing zygote that results when a sperm fuses with such a gamete * * * oogamous /oh og euh meuhs/ …
