| MOPV | monovalent oral poliovirus vaccine |
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| OA | obstructive apnea; occipital artery; occipito-anterior; occiput anterior; octanoic acid; ocular albi... |
| OA/BVM | oral airway/bag-valve-mask |
| OAS | old age security; oral allergy syndrome; osmotically active substance |
| OAW | oral airways |
| sex skin | The skin of the genital regions of the Macaca mulatta and other primates which becomes hyperaemic during estrus; at the same time the dermis becomes gelatinous and the epidermis thickened. (05 Mar 2000) |
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| shagreen skin | An oval-shaped nevoid plaque, skin-coloured or occasionally pigmented, smooth or crinkled, appearing on the trunk or lower back in early childhood; sometimes seen with other signs of tuberous sclerosis. Synonym: shagreen patch. (05 Mar 2000) |
| skin | 1. To strip off the skin or hide of; to flay; to peel; as, to skin an animal. 2. To cover with skin, or as with skin; hence, to cover superficially. "It will but skin and film the ulcerous place." (Shak) 3. To strip of money or property; to cheat. Origin: Skinned; Skinning. 1. To become covered with skin; as, a wound skins over. 2. To produce, in recitation, examination, etc, the work of another for one's own, or to use in such exercise cribs, memeoranda, etc, which are prohibited. 1. <anatomy> The external membranous integument of an animal. In man, and the vertebrates generally, the skin consist of two layers, an outer nonsensitive and nonvascular epidermis, cuticle, or skarfskin, composed of cells which are constantly growing and multiplying in the deeper, and being thrown off in the superficial, layers; and an inner sensitive, and vascular dermis, cutis, corium, or true skin, composed mostly of connective tissue. 2. The hide of an animal, separated from the body, whether green, dry, or tanned; especially, that of a small animal, as a calf, sheep, or goat. 3. A vessel made of skin, used for holding liquids. See Bottle. "Skins of wine." 4. The bark or husk of a plant or fruit; the exterior coat of fruits and plants. 5. That part of a sail, when furled, which remains on the outside and covers the whole. The covering, as of planking or iron plates, outside the framing, forming the sides and bottom of a vessel; the shell; also, a lining inside the framing. Skin friction, Skin resistance, the friction, or resistance, caused by the tendency of water to adhere to the immersed surface (skin) of a vessel. <surgery> Skin graft, a small portion of skin used in the process of grafting. See Graft. <zoology> Skin moth, any insect which destroys the prepared skins of animals, especially the larva of Dermestes and Anthrenus. Skin of the teeth, nothing, or next to nothing; the least possible hold or advantage. Skin wool, wool taken from dead sheep. Origin: Icel. Skinn; akin to Sw. Skinn, Dan. Skind, AS. Scinn, G. Schined to skin. Source: Websters Dictionary (01 Mar 1998) |
| skin abnormalities | Congenital structural abnormalities of the skin. (12 Dec 1998) |
| skin aging | The process of aging due to changes in the structure and elasticity of the skin over time. It may be a part of physiological aging or it may be due to the effects of ultraviolet radiation, usually through exposure to sunlight. (12 Dec 1998) |
| skin, artificial | Synthetic material used for the treatment of burns and other conditions involving large-scale loss of skin. It often consists of an outer (epidermal) layer of silicone and an inner (dermal) layer of collagen and chondroitin 6-sulfate. The dermal layer elicits new growth and vascular invasion and the outer layer is later removed and replaced by a graft. (12 Dec 1998) |
| skin botflies | A large, blue, brown-winged species whose larvae develop in open boil-like lesions in the skin of humans, many domestic animals, and some fowl. It is a very serious and damaging cattle parasite and frequently attacks small children in Central and South America. Its eggs are laid on the legs or abdomen of another insect, such as the mosquito; the eggs later hatch, when stimulated by warmth or other factors, to release the botfly larvae on the skin of the mosquito's bloodmeal host, and the larvae quickly invade the skin to initiate myiasis. Synonym: Dermatobia cyaniventris, human botfly, skin botflies, warble botfly. (05 Mar 2000) |
| skin cancer | <oncology> A malignant growth on the skin. Risk factors include: those who are fair-skinned or sunburn easily, freckled skin, blue or green eyes, blond or red hair, multiple moles, multiple bad sunburns in the past (particularly as a child) and a prior history for a skin cancer. (27 Sep 1997) |
| skin care | Maintenance of the hygienic state of the skin under optimal conditions of cleanliness and comfort. Effective in skin care are proper washing, bathing, cleansing, and the use of soaps, detergents, oils, etc. In various disease states, therapeutic and protective solutions and ointments are useful. The care of the skin is particularly important in various occupations, in exposure to sunlight, in neonates, and in decubitus ulcer. (12 Dec 1998) |
| skin-deep | Not deeper than the skin; hence, superficial. Source: Websters Dictionary (01 Mar 1998) |
| skin diseases, bacterial | Skin diseases caused by bacteria. (12 Dec 1998) |
| skin diseases, eczematous | Any of a variety of eruptive skin disorders characterised by erythema, oozing, vesiculation, and scaling. Aetiology is varied. (12 Dec 1998) |
| skin diseases, genetic | Diseases of the skin with a genetic component, usually the result of various inborn errors of metabolism. (12 Dec 1998) |
| skin diseases, infectious | Skin diseases caused by bacteria, fungi, parasites, or viruses. (12 Dec 1998) |
| skin diseases, metabolic | Diseases of the skin associated with underlying metabolic disorders. (12 Dec 1998) |