Gamete

Gamete
The sperm or the egg. Each human gamete normally has 23 chromosomes, the haploid number of chromosomes, half the number of chromosomes contained in most types of cells.
* * *
1. One of two haploid cells that can undergo karyogamy. 2. Any germ cell, whether ovum or spermatozoon. [G. gametes, husband; g., wife]
- joint g. the haploid set of (nonallelic) genes inherited in a single germinal cell.

* * *

ga·mete 'gam-.ētalso gə-'mēt n a mature male or female germ cell usu. possessing a haploid chromosome set and capable of initiating formation of a new diploid individual by fusion with a gamete of the opposite sex called also sex cell
ga·met·ic gə-'met-ik, -'mēt- adj
ga·met·i·cal·ly -i-k(ə-)lē adv

* * *

n.
a mature sex cell: the ovum of the female or the spermatozoon of the male. Gametes are haploid, containing half the normal number of chromosomes.

* * *

gam·ete (gamґēt) [Gr. gametē wife, gametēs husband] 1. one of two haploid reproductive cells, male (spermatozoon) and female (oocyte), whose union is necessary in sexual reproduction to initiate the development of a new individual. 2. the malarial parasite in its sexual form in the gut of the mosquito vector, either male (microgamete) or female (macrogamete); the latter fertilizes the former to form a zygote, which develops into an ookinete.

Medical dictionary. 2011.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • gamète — [ gamɛt ] n. m. • 1884; gr. gametê, gametês « épouse, époux », de gamos « mariage » ♦ Biol. Cellule reproductrice sexuée possédant la moitié des chromosomes des autres cellules de l organisme (⇒ génome; haploïde), et qui, en s unissant à une… …   Encyclopédie Universelle

  • Gamete — Gamète Un gamète (en grec : γαμέτες) est une cellule reproductrice de type haploïde qui a terminé la méiose et la différenciation cytoplasmique. Les gamètes sont des cellules dont l unique fonction est d assurer la reproduction. Ce sont des… …   Wikipédia en Français

  • Gamete — Gam ete (g[a^]m [=e]t; g[.a]*m[=e]t ; the latter usually in compounds), n. [Gr. gameth wife, or game ths husband, fr. gamei^n to marry.] (Biol.) A sexual cell or germ cell having a single set of unpaired chromosomes; a conjugating cell which… …   The Collaborative International Dictionary of English

  • gamete — [gam′ēt, gə mēt′] n. [ModL gameta < Gr gametē, a wife < gamein, to marry < gamos: see GAMO ] a reproductive cell that is haploid and can unite with another gamete to form the cell (zygote) that develops into a new individual gametic [gə… …   English World dictionary

  • gamete — (n.) sexual protoplasmic body, 1880, coined 1878 by German cytologist Eduard Strasburger (1844 1912), the widespread attribution to Mendel being apparently erroneous; from Gk. gamete a wife, gametes a husband, from gamein to take to wife, to… …   Etymology dictionary

  • gamete — gamete. См. гамета. (Источник: «Англо русский толковый словарь генетических терминов». Арефьев В.А., Лисовенко Л.А., Москва: Изд во ВНИРО, 1995 г.) …   Молекулярная биология и генетика. Толковый словарь.

  • gamete — ► NOUN Biology ▪ a mature haploid male or female germ cell which is able to unite with another of the opposite sex in sexual reproduction to form a zygote. DERIVATIVES gametic adjective. ORIGIN Greek gamet wife , gamet s husband , from gamos… …   English terms dictionary

  • Gamète — Pour le genre de coléoptère de la famille des Cetoniidae, voir Gametis …   Wikipédia en Français

  • Gamete — A gamete (from Ancient Greek γαμέτης gametes husband / γαμετή gamete wife ) is a cell that fuses with another cell during fertilization (conception) in organisms that reproduce sexually. In species that produce two morphologically distinct types… …   Wikipedia

  • gamete — noun Etymology: New Latin gameta, from Greek gametēs husband, from gamein to marry Date: 1886 a mature male or female germ cell usually possessing a haploid chromosome set and capable of initiating formation of a new diploid individual by fusion… …   New Collegiate Dictionary

Share the article and excerpts

Direct link
… Do a right-click on the link above
and select “Copy Link”