| white fat | <anatomy> Connective tissue that has been specialised to store fat. See: adipocyte. (25 Jun 1999) |
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| white fibre | White mammalian muscle fibres; larger in diameter than red fibres they have less myoglobin, sarcoplasm, and mitochondria, and contract more quickly. Synonym: collagen fibre. (05 Mar 2000) |
| white fingers | An occupational disease occurring in operators of pneumatic hammers who are exposed to cold. (05 Mar 2000) |
| white-foot | <veterinary> A white mark on the foot of a horse, between the fetlock and the coffin. Source: Websters Dictionary (01 Mar 1998) |
| white forelock | A triangular or diamond-shaped depigmented macule with white hairs, usually located in the anterior midline of the scalp, seen in piebaldism. (05 Mar 2000) |
| white friar | A mendicant monk of the Carmelite order, so called from the white cloaks worn by the order. See Carmelite. Source: Websters Dictionary (01 Mar 1998) |
| white-fronted | Having a white front; as, the white-fronted lemur. <zoology> White-fronted goose, the white brant, or snow goose. See Snow goose, under Snow. Source: Websters Dictionary (01 Mar 1998) |
| white gangrene | Death of a part accompanied by the formation of grayish white sloughs. Synonym: leukonecrosis. (05 Mar 2000) |
| white graft | Rejection of a skin allograft so acute that vascularization never occurs. (05 Mar 2000) |
| white-heart | <botany> A somewhat heart-shaped cherry with a whitish skin. Source: Websters Dictionary (01 Mar 1998) |
| white infarct | An infarct in which little or no bleeding into tissue spaces occurs when the blood supply is obstructed. Synonym: pale infarct, white infarct. (05 Mar 2000) |
| white lead | A heavy white powder that is insoluble in water; occasionally, it is used to relieve irritation in dermatitis, but it is used largely in the manufacture of paint and in the arts and is thus productive of lead poisoning. Synonym: ceruse, white lead. (05 Mar 2000) |
| white leg | An extreme edematous swelling of the leg following childbirth, due to thrombosis of the iliofemoral veins. Synonym: leukophlegmasia dolens, milk leg, puerperal phlebitis, thrombotic phlegmasia, white leg. (05 Mar 2000) |
| white level | <microscopy> Also reference white level. The IEEE scale, or voltage level, of the video picture signal that corresponds to a specified maximum limit for white peaks. (05 Aug 1998) |
| white line | A pale streak appearing within 30 to 60 seconds after stroking the skin with a fingernail, and lasting for several minutes; regarded as a sign of diminished arterial tension. Synonym: Sergent's white line. (05 Mar 2000) |