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Gentian violet to Glass
Gentian violet: A dye belonging to the rosaniline group with antibact~rial, antifungal and anthelminitic properties.
Gentianose : A trisaccharide, occurring in the rhizomes of gentian. Gentiobiose: A disaccharide occurring in amygdalin glycoside, consisting of two glucose residues bound by a 1-6 linkage.
Gentiopicrin: A bitter, crystalline glycoside from gentian root. Gentisin: Acompound isolated from gentian.
Genus: A group of species.
Geometric isomer: A type of stereoisomer in which a chemical group or atom occupies different spartial positions in relation to the double bond.
Geraniol: A monoterpene alcohol, colourless to pale yellow, liquid oil, pleasant odour, used in perfumery.
Geriatric: Relating to the treatment of the aged.
Geriatrics: A branch of medicine which treats all problems peculiar to old age and aging.
Germ : A pathogenic microorganism.
Germicidal: A substance that destroys germs.
Germicide: An agent which destroy~ pathogenic microbes. Germination: The sprouting of a seed or spore or a plant embryo. Gerocomia : The hygiene of old age. Gestagen : Any hormone with
progestational activity.
Gestagenic : Inducing progestational effects in the uterus.
Gestation: The period of development of the young in viviparous animals, from the time of fertilization of the ovum until birth.
Gestosis : Any toxemic manifestation of pregnancy. Giantism: Excessive size, as of cells or nuclei.
Giardia lamblia : A species that may cause giardiasis in humans.
Giardiasis: An infectious disease of the intestinal tract caused by flagellate protozoa Giardia lamba causing intermittent diarrhoea and malaborption.
Gibberallin : A group of plant growth regulators which promotes elongation of shoots.
Gibbs-Hemottatz equation: An expression of relationship of chemical energy transformed and the maximum electrical force obtained in a galvanic cell.
Giddiness (Vertigo) : A condition in whicb the affected person loses the power of balancing himself and has a faIse sensation.
Gigantism: Abnormal overgrowth. Ginger: The root of Zingiber officinalis, used to treat colic and tlatulence.
Gingiva: That part of the oral mucosa overlying the crowns of unerupted teeth and encircling the necks.
Gingivitis: Inflammation of the gum.
Ginseng: Any herb of Panax species used as tonic, stimulant and aphrodisiac.
Gitaligenin : The aglycone of gitalin.
Gitalin: A crystalline cardiac glycoside from the leaves of Digitalis
purpurea.
Gitaloxin: A cardiac glycoside from Digitalis purpurea.
Gitogenin: A sapogenin from gitonin.
Gitoxin : A cardiac glycoside of Digitalis purpurea.
Gizzard: A portion of the digestive tract specialized for the mechanical breakdown of the food.
Glabrous: Smooth and bare; without hair, bristles or scales.
Glacial: (1) Resembling ice. (2) Highly pure form of some acids. (3) Acids having a freezing point slightly below the room temperature, e.g., glacial acetic acid crystallizes at 16.6°C.
Glacial acetic acid: Concentrated acetic acid which looks solid glass-like when congealed.
Gland: An aggregation of cells, specialized to secrete materials not related to their ordinary metabolic needs.
- Accessory gland: A minor mass
of glandular tissue situated near a gland of similar structure.
- Adrenal gland: A flattened body situated at the cranial pole of each kidney.
- Cardiac glands: Mucinsecreting glands at the cardiac end of the stomach.
- Ebbner's glands: Serious secreting glandS in the posterior part of the tongue.
- Endocrine glands: Ductless
organs that secrete specific
substances which are released directly into blood stream.
- Intestinal glands: Straight tubular glands in mucous membrane of the intestines, opening in small intestine.
- Mammary glands: Specialized accessory glands of the skin of female mammals that secretes milk.
- Parathyroid glands: Small bodies opposed to the posterior surface of the thyroid gland.
- Pituitary gland: Tbe epithelial body located at the base of the brain.
Salivary gland: Tbe glands of the ovary cavity that secrete saliva.
Thyroid gland: A gland situated in front of the neck, secretes thyroid hormone.
Glandula: An aggregation of cells, specialized to secrete materials not related to their ordinary metabolic needs.
Glandular: Relating to a gland. Glandule : A small gland.
Glass: A ceramic hard, brittle,
transparent material consisting of uniformly disperse mixture of silica (75%), soda ash (20%) and lime (5%).
- Cover glass: A thin glass plate
. used to cover an object.
- Crown glass: A glass of low refractive index, used in combination with flint glass in lenses.
- Flint glass: A highly refractive
glass in which calcium has been
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