gonads
the reproductive organs in which the germ cells are found and the gametes produced; in humans, they are the ovaries and testes
Source: Jenkins, John B. 1990. Human Genetics, 2nd Edition. New York: Harper & Row ...
gonads The male and female sex organs.
Gondwana Name applied to the ancient (Paleozoic-early Mesozoic) southern hemisphere supercontinent that rifted apart to form present-day Antarctica, India, Africa, Australia, and South America.
gonads
[Gk. gone, seed]
The male and female sex organs; the gamete-producing organs in most animals.
graded potential ...
gonads
The male and female sex organs; the gamete-producing organs in most animals.
gonads Glands responsible for the production of gametes and where certain gonadal hormones are produced. These consist of the ovaries in females and the testes in males.
gonangium Reproductive zooid of hydroid colony (Cnidaria).
Fish gonads are typically pairs of either ovaries or testes. Most fish are sexually dimorphic but some species are hermaphroditic or unisexual.[19]
[edit] Invertebrates ...
The female gonads, ovaries, are located within the lower abdominal cavity.
Annual dose to the gonads from TV sets
0.2-1.5
Received by the colon during a barium enema ...
There are several genetic disorders which result in ambiguous genitalia or in genitalia of one sex but gonads of the other. Congenital Adrenal Hyperplasia (CAH) is an adrenal enzyme deficiency inherited as an AR disorder.
Surgery to remove internal gonads that might become cancerous
Reconstruction of external genitalia appropriate for the assigned sex ...
Spermatogenesis refers to the creation, or genesis, of sperm cells, which occurs in the male gonads or testes. Sperm cells develop initially from germ stem cells known as spermatogonia .
clitellum -- In annelids, a swelling of the body towards the head of the animal, where the gonads are located. Both oligochaetes and leeches have a clitellum.
cnidocyst -- The "stinging cell" of a cnidarian.
Presence of 2 or more cell lines that differ in genetic makeup among gametes (germ cells); implies risk of transmission of mutations present in the gonads to offspring. Cf. mosaicism
Related Terms:
Gamete ...
[L. germinis - bud, offshoot] A cell found within the gonads that gives rise to a gamete.
(Science: endocrinology) a condition resulting from or characterised by abnormally decreased functional activity of the gonads, with retardation of growth and sexual development.
germ cell [L. germinis - bud, offshoot] A cell found within the gonads that gives rise to a gamete.
Germ line mosaicism
Presence of 2 or more cell lines that differ in genetic makeup among gametes (germ cells); implies risk of transmission of mutations present in the gonads to offspring. Cf. mosaicism ...
 See also: Organ, Cells, Human, Cell, Animal
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