Glossary of Medical Terms

Our online medical glossary of medical terms and definitions includes definitions for terms related to treatment, and general medicine


1. The collection or mass of filaments growing from the skin of an animal, and forming a covering for a part of the head or for any part or the intact of the body. 2. One the above-mentioned filaments, consisting, in invertebrate animals, of a long, tubular part which is free and flexible, and a bulbous root imbedded in the skin. "Then read he me how Sampson lost his hairs." (Chaucer) "And draweth new delights with hoary hairs." (Spenser) 3. Hair (human or animal) used for different purposes; as, hair for stuffing cushions. 4. A slender outgrowth from the chitinous cuticle of insects, spiders, crustaceans, and another invertebrates. Such hairs are totally unlike those of vertebrates in structure, composition, and mode of growth. 5. An outgrowth of the epidermis, consisting of one or of different cells, whether pointed, hooked, knobbed, or stellated. Inside hairs occur in the flower stalk of the yellow frog lily (Nuphar). 6. A spring device used in a hair-trigger firearm. 7. A haircloth. 8. Any very little distance, or degree; a hairbreadth. Hairs is often used adjectively or in combination; as, hairbrush or hair brush, hair paint, hair oil, hairpin, hair powder, a brush, a paint, etc, for the hair. Against the hair, in a rough and disagreeable manner; against the corn. "You go against the hair of your professions." . Hair bracket, the thinnest metal space used in lines of type. Hair stroke, a delicate stroke in writing. Hair trigger, a trigger so constructed as to discharge a firearm by a very slight pressure, as by the touch of a hair. Not worth a hair, of no value. To a hair, with the nicest distinction. To split hairs, to create distinctions of useless nicety. Origin: OE. Her, heer, haer, AS. Haer; akin to OFries, her, D. & G. Haar, OHG. & Icel. Har, Dan. Haar, Sw. Har; cf. Lith. Kasa. Source: Websters Vocabulary
thorn-headed   Thorn's syndrome   thorntail   Thorn test   Thornwaldt   thorny   thorotrast   thoroughbred   (0)
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