| OEF | oil immersion field; oxygen extraction fraction |
|---|---|
| OIF | observed intrinsic frequency; oil immersion field; Osteogenesis Imperfecta Foundation |
| ol | oliv olive oil [Lat. oleum olivea] |
| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |
| ORE | oil retention enema |
| acne vulgaris | <dermatology> A form of acne which results from the bacterial infection of cysts deep within the skin. Generally requires treatment with antibiotics and other agents (Isotretinoin). Without treatment cystic acne may result in scarring. (27 Sep 1997) |
|---|---|
| bromide acne | Follicular eruption on face, trunk, and extremities, due to bromide ingestion. See: bromoderma. (05 Mar 2000) |
| chlorine acne | An occupational acne-like eruption due to prolonged contact with certain chlorinated compounds (naphthalenes and diphenyls); keratinous plugs (comedones) form in the pilosebaceous orifices, and variously sized small papules (2 to 4 mm) develop. Synonym: chlorine acne, tar acne. (05 Mar 2000) |
| colloid acne | Yellow papules developing in sun-damaged skin of the head and backs of the hands, composed of colloid material in the dermis resembling amyloid but with a different ultrastructure. Synonym: colloid acne, colloid pseudomilium, elastosis colloidalis conglomerata. Origin: L. Milium, millet (05 Mar 2000) |
| corticosteroid-induced acne | The exacerbation of acne after corticosteroid use is a common drug reaction seen in adolescents. Lessening the dose of the corticosteroid will often diminish this effect. (27 Sep 1997) |
| pomade acne | Acne commonly found on the forehead and temples of negro males after prolonged and repetitious application of hair creams. (05 Mar 2000) |
| halogen acne | An acneform eruption caused by bromides or iodides. (05 Mar 2000) |
| cystic acne | <dermatology> A form of acne which results from the bacterial infection of cysts deep within the skin. Generally requires treatment with antibiotics and other agents (Isotretinoin). Without treatment cystic acne may result in scarring. (27 Sep 1997) |
| steroid acne | Folliculitis similar to acne vulgaris, but resulting from topical or oral administration of steroids; comedones are rare. (05 Mar 2000) |
| iodide acne | A follicular eruption on the face, trunk, and extremities, due to injection or ingestion of iodide in a hypersensitive individual. See: iododerma. (05 Mar 2000) |
| tar acne | An occupational acne-like eruption due to prolonged contact with certain chlorinated compounds (naphthalenes and diphenyls); keratinous plugs (comedones) form in the pilosebaceous orifices, and variously sized small papules (2 to 4 mm) develop. Synonym: chlorine acne, tar acne. (05 Mar 2000) |
| tropical acne | <dermatology> A severe type of acne of the entire trunk, shoulders, upper arms, buttocks, and thighs; occurs in hot, humid climates. (05 Mar 2000) |
| ajowan oil | A volatile oil distilled from the fruit of Carum copticum, one of the sources of thymol; a carminative, aromatic, and expectorant. Synonym: ptychotis oil. (05 Mar 2000) |
| allspice oil | pimenta oil |
| almond oil | A fixed oil expressed from sweet almonds, the kernels of varieties of Prunus amygdalus; used in ointments. Bitter almond oil, a volatile oil from the dried ripe kernels of bitter almonds and from other kernels containing amygdalin; it contains between 2 and 4% of hydrocyanic acid and 95% of benzaldehyde. (05 Mar 2000) |