| gonadal cords | Columns of germinal and follicle cells penetrating centripetally into the embryonic ovarian or testicular cortex. (05 Mar 2000) |
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| gonadal disorders | Disease of the ovaries and testes of any aetiology. (12 Dec 1998) |
| gonadal dose | The exposure dose to the male or female gonad, usually from incidental secondary radiation in diagnostic or therapeutic irradiation, or from whole-body irradiation. Synonym: gonadal dose. (05 Mar 2000) |
| gonadal dysgenesis | <embryology, genetics> A rare genetic disorder in women that is characterised by the absence of an X chromosome. This disorder inhibits normal sexual development and causes infertility. Features include webbing of the neck, short stature, retarded development of secondary sex characteristics, absence of menses, coarctation of the aorta, low hairline, eye abnormalities (drooping eyelids) and skeletal deformities. Treatment include oestrogen supplementation at puberty. Growth hormone replacement may be necessary in some cases. Cardiac surgery may be necessary to correct coarctation of the aorta. Incidence: 1 in 3,000 births. (10 Oct 1997) |
| gonadal dysgenesis, 46,xy | A syndrome characterised by "streak gonads" in a phenotypic female with a 46,xy karyotype. It is due to a mutation which inhibits the function of the y-borne determinant that would normally cause the indifferent embryonic gonad to differentiate into a testis. The streak gonad is incapable of ovulation or oestrogen secretion. The syndrome is sometimes called "pure gonadal dysgenesis," but this designation may also refer to the presence of streak gonads with a 46,xx karyotype. (12 Dec 1998) |
| gonadal dysgenesis, mixed | A syndrome of gonadal dysgenesis in which there is a testis on one side and a "streak gonad" on the other. The phenotype is generally male, but may be female since the individual is a mosaic. Various karyotypes have been identified, including 45,xo/47,xyy; 45,xo/46,xy; and 45,xo/46,xyo. (12 Dec 1998) |
| gonadal hormones | Hormones having oestrogenic (female sex hormones) or androgenic (male sex hormones) activity. (12 Dec 1998) |
| gonadal ridge | An elevation of thickened mesothelium and underlying mesenchyme on the ventromedial border of the embryonic mesonephros; the primordial germ cells become embedded in it, establishing it as the primordium of the testis or ovary. Synonym: genital ridge. (05 Mar 2000) |
| gonadal steroid-binding globulin | A protein that transports 65% of the testosterone in plasma. Synonym: sex steroid-binding globulin. (05 Mar 2000) |
| gonadal streak | A form of aplasia in which the ovary is replaced by a functionless tissue, as found in Turner's syndrome. Synonym: streak gonad. (05 Mar 2000) |
| gonadectomy | Excision of ovary or testis. Origin: Gonado-+ G. Ektome, excision (05 Mar 2000) |
| gonado- | Gonad- The gonads. Origin: G. Gone, seed (05 Mar 2000) |
| gonadoblastoma | <oncology, tumour> A cancerous neoplasm, or abnormal growth (a type of dysgerminoma), in the ovary. It includes germ line cells and other components usually found within gonads. (09 Oct 1997) |
| gonadocrins | Peptides that stimulate release of both follicle-stimulating hormone and luteinizing hormone from the pituitary; found in ovarian follicular fluid in rats. Origin: Gonad + G. Krino, to secrete (05 Mar 2000) |
| gonadoliberin | <hormone> The peptide hormone that control reproductive function. It produced and released by the hypothalamus and controls the production and release of gonadotrophins from the pituitary gland. It causes the production of luteinising hormone and follicle-stimulating hormone. Synonym: gonadotropin-releasing factor, gonadotropin-releasing hormone, luteinizing hormone/follicle-stimulating hormone-releasing factor, gonadoliberin. Origin: Gonad + L. Libero, to free, + -in (19 Sep 2002) |
| Goodell's sign |
softening of the cervix uteri as a sign of pregnancy.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| Gottron's sign |
1. a cutaneous sign pathognomonic of dermatomyositis, consisting of symmetrical macular violaceous erythema, with or without edema, overlying the dorsal aspect of the interphalangeal joints of the hands, olecranon processes, patellas, and medial malleoli. 2. see under papule.
Ãâó: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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| gold standard |
A historical system of fixed exchange rates in which nations defined their currency in terms of gold. (See page(s) 419)
Ãâó: highered.mcgraw-hill.com/sites/007091656x/student_...
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| gorget |
A circular ornament, flat or convex on one side and concave on the other, usually worn over the chest.
Ãâó: highered.mcgraw-hill.com/sites/007299634x/student_...
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| gonorrhea |
a common sexually transmitted disease, characterized by painful urination or a discharge from the penis or vagina
Ãâó: www.american-depot.com/services/resources_gl_g.asp
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| GO | the signal to proceed |
|---|---|
| GO | an approach that fails and gives way to another attempt |
| GO | not bound by rule or law or convention |
| GO | a negotiator who acts as a link between parties |
| GO | a small carriage in which a baby or child is pushed around |
| GO | wheeled vehicle that can be pushed by a person |
| GO | a framework on wheels |
| GO | someone whose career progresses rapidly |
| GO | a small low motor vehicle with four wheels and an open framework |
| GO | (British) a form of protest by workers in which they deliberately slow down in order to cause problem from their employers |
| GO | used of clothing |
| GO | a state of southwestern India |
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