gonad (redirected from Gonadal hormones)

gonad /go·nad/ (go´nad) a gamete-producing gland; an ovary or testis.gonad´algonad´ial

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indifferent gonad  the sexually undifferentiated gonad of the early embryo.

streak gonads  undeveloped gonadal structures in the broad ligament below the fallopian tube, composed of whorled connective-tissue stroma without germinal or secretory cells; seen most often in Turner's syndrome.

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go·nad (gnd)

n.

An organ that produces gametes, especially a testis or an ovary.

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go·nadal (g-ndl), go·nadic adj.

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gonad

[gō′nad]

Etymology: Gk, gone, seed

a gamete-producing gland, such as an ovary or a testis. gonadal, adj.

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gonad (gō´nad),

n an ovary or testis, the site of origin of eggs or spermatozoa.

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gonad

a sex gland; a gamete-producing gland; the ovary in the female and the testis in the male.

The ovary produces the ovum and the testis produces the spermatozoon. In addition, the gonads secrete hormones that influence the development of the reproductive organs and the physical traits that differentiate males from females, such as a crest and body form and size (the secondary sex characters). The hormones produced by the ovary include estrogen and progesterone. The principal hormone produced by the testis is testosterone.

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hermaphroditic g's

these gonads vary widely between combinations of male and female tissues in an ovotestis, of which there may be one or two, to a testicle on one side and an ovary on the other.

indifferent gonad

the primordial stage of the embryonal gonad, before differentiation into a male or female organ.