Category: G
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Glycolic acid
An alpha-hydroxy acid derivative used to remove the outer layer of skin to rejuvenate its appearance.
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Glyceric acid
An intermediate product of the oxidation of fats.
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Gammalinoleic acid
An essential fatty acid promoted by alternative medicine practitioners as a treatment for skin and inflammatory disorders, cystic breast disease, and hyperlipidemia.
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Gastric absorption
Absorption of water, alcohol, and some salts through the gastric mucosa.
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Granisetron
One of several serotonin antagonists used to treat nausea and vomiting induced by cytotoxic chemotherapy.
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Good medical practice
A publication containing guidelines for doctors on the provision of good medical care. It is produced by the general medical council and is used by them as part of the process of deciding if a doctor’s fitness to practice might be impaired.
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Gonococci
A bacterium of the species responsible for the sexually transmitted disease gonorrhoea.
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Gonadotrophins
Gonadotrophins, or gonadotrophic hormones, are hormones that control the activity of the gonads (i.e. the testes and ovaries). In the male they stimulate the secretion of testosterone and the production of spermatozoa; in the female they stimulate the production of ova and the secretion of oestrogens and progesterone. There are two gonadotrophins produced by the pituitary…
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Gonadorelin
A hormone that stimulates the pituitary gland to secrete three hormones: gonadotrophic hormone, luteinising hormone and follicle-stimulating hormone. Gonadorelin can be made artificially and given by intravenous injection. It is used to stimulate the ovaries when treating infertile women, and to investigate suspected disease of the hypothalamus. Analogues of the hormone (buserelin and goselerin) are…
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Gold salts
These are used in the treatment of rheumatoid arthritis. Gold may be administered in various forms for example, sodium aurothiomalate. It is injected in very small doses intramuscularly and produces a reaction in the affected tissues which leads to their scarring and healing. Auranofin is a gold preparation that can be given orally; if no…