| bone nails | Rods of bone, metal, or other material used for fixation of the fragments or ends of fractured bones. (12 Dec 1998) |
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| azure lunula of nails | Bluish nonblanching discoloration of the lunulae of all the fingernails in hepatolenticular degeneration. (05 Mar 2000) |
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| geographic stippling of nails | Regularly arranged longitudinal stippling found commonly in psoriasis and occasionally in alopecia areata. See: nail pits. (05 Mar 2000) |
| ringworm of nails | A fungal infection that involves the fingernails. Nails generally split, flake and grow too thick. (27 Sep 1997) |
| ringworm of the nails | The most common fungus infection of the nails (onychomycosis). Onychomycosis makes the nails look white and opaque, thickened, and brittle. Older women (perhaps because oestrogen deficiency may increase the risk of infection). And men and women with diabetes or disease of the small blood vessels (peripheral vacscular disease) are at increased risk. Artificial nails (acrylic or wraps ) increase the risk because when an artificial nail is applied, the nail surface is usually abraded with an emery board damaging it, emery boards can carry infection, and. Water can collect under the nail creating a moist, warm environment for fungal growth. Alternative names include tinea unguium and dermatophytic onychomycosis. (12 Dec 1998) |
| hippocratic nails | The coarse curved nail's capping clubbed digits (hippocratic fingers). (05 Mar 2000) |
| nails, ingrown | Excessive lateral nail growth into the nail fold. Because the lateral margin of the nail acts as a foreign body, inflammation and granulation may result. It is caused by improperly fitting shoes and by improper trimming of the nail. (12 Dec 1998) |
| nails, malformed | Deformities in nail structure or appearance, including hypertrophy, splitting, clubbing, furrowing, etc. (12 Dec 1998) |
| nails, ringworm of the | See Nail infection, fungal. (12 Dec 1998) |
| Terry's nails | A white, ground-glass-like opacity of the nail's with a zone of normal pink at the distal edge of the nail's; associated with liver disease (most commonly, cirrhosis of the liver). (05 Mar 2000) |
| bone within a bone | <radiology> STOP heavy metal, S: sickle cell disease, T: Thorotrast, O: osteopetrosis, P: Paget's disease, heavy metals, hypervitaminosis D (12 Dec 1998) |
| acute reflex bone atrophy | Atrophy of bones, commonly of the carpal or tarsal bones, following a slight injury such as a sprain. See: causalgia, reflex sympathetic dystrophy. Synonym: acute reflex bone atrophy, posttraumatic osteoporosis, Sudeck's syndrome. Origin: L. English sweat (05 Mar 2000) |
| air-bone gap | The difference between the threshold for hearing acuity by bone conduction and by air conduction. (05 Mar 2000) |
| Albrecht's bone | A small bone between the basioccipital and basisphenoid. (05 Mar 2000) |
| allogeneic bone marrow transplant | <haematology, procedure> A bone marrow transplant using marrow collected from a matched healthy donor, usually a brother or sister. The risks associated with the transplant increase with age and 50 years of age is generally regarded as the upper limit. (13 Nov 1997) |
| alveolar bone | That portion of bone in either the maxilla or the mandible which surrounds and supports the teeth. (12 Dec 1998) |