gonad

gonad
One of the (usually paired) animal organs that produce reproductive cells (gametes). The most important gonads are the male testis, which produces spermatozoa, and the female ovary, which produces ova (egg cells). The gonads also produce hormones that control secondary sexual characteristics.

Glossary of Biotechnology for Food and Agriculture . 2015.

Игры ⚽ Поможем решить контрольную работу

Look at other dictionaries:

  • Gonad — Gon ad, n.; pl. {Gonads}. [Gr. ? that which generates.] (Anat.) One of the masses of generative tissue primitively alike in both sexes, but giving rise to either an ovary or a testis; a generative gland; a germ gland. Wiedersheim. [1913 Webster] …   The Collaborative International Dictionary of English

  • gonad — gonad. См. гонада. (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.

  • gonad — 1880, from Mod.L. gonas (pl. gonades), coined from Gk. gone, gonos seed, act of generation, race, family, from gignesthai be born, related to genos race, birth, descent (see GENUS (Cf. genus)). Related: gonads …   Etymology dictionary

  • gonad — ► NOUN ▪ a bodily organ that produces gametes; a testis or ovary. DERIVATIVES gonadal adjective. ORIGIN Latin gonades, plural of gonas, from Greek gon generation, seed …   English terms dictionary

  • gonad — [gō′nad΄] n. [< ModL gonas (pl. gonades) < Gr gonē, a seed, generation < IE * gon < base * ĝen , to produce > GENUS] an organ or gland in animals that produces reproductive cells; esp., an ovary or testis gonadal adj …   English World dictionary

  • Gonad — A reproductive gland (ovary or testis) that produces germ cells (gametes). In embryonic life, the gonad in males and females is initially identical. This gonad is said to be indifferent before it differentiates into a definitive testis or ovary.… …   Medical dictionary

  • gonad — gonadal, gonadial /goh nay dee euhl/, gonadic /goh nad ik/, adj. /goh nad, gon ad/, n. Anat. a sex gland in which gametes are produced; an ovary or testis. [1875 80; < NL gonad (s. of gonas), equiv. to gon GON + ad AD1] * * * ▪ …   Universalium

  • Gonad — The gonad is the organ that makes gametes. The gonads in males are the testes and the gonads in females are the ovaries. The product, gametes, are haploid germ cells. For example, spermatozoon and egg cells are gametes. Although medically the… …   Wikipedia

  • gonad — UK [ˈɡəʊnæd] / US [ˈɡoʊˌnæd] noun [countable] Word forms gonad : singular gonad plural gonads medical a sex organ that makes cells used in producing babies. In men this sex organ is called a testicle, and in women it is called an ovary …   English dictionary

  • gonad — noun Etymology: New Latin gonad , gonas, from Greek gonos Date: 1880 a reproductive gland (as an ovary or testis) that produces gametes • gonadal adjective …   New Collegiate Dictionary

  • gonad(o)- — [L. gonas, gen. gonadis gonad, from Gr. gonos procreation] a combining form denoting relationship to the gonads …   Medical dictionary

Share the article and excerpts

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