| OB | obese [mouse]; obese, obesity; objective benefit; obliterative bronchiolitis; obstetrics, obstetrici... |
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| OB | 1) Occult Blood 2) OBstetrics; »ê°úÇÐ |
| AOIVM | angiographically occult intracranial vascular malformation |
| FOB | fecal occult blood; feet out of bed; fiberoptic bronchoscopy; foot of bed; functional observational ... |
| FOBT | fecal occult blood test |
| AOVM | angiographically occult vascular malformation |
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| FOB | Faecal Occult Blood |
| FOBT | Faecal occult blood test |
| FOBT | Faecal occult blood testing |
| blood spavin | A distention of the veins in the vicinity of the tarsus in a horse, due to pressure from the swelling of bog spavin impeding the return flow of blood. (05 Mar 2000) |
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| bog spavin | A chronic synovitis of the tibiotarsal joint in the horse resulting in distention of the joint capsule with fluid; it usually causes little or no lameness. (05 Mar 2000) |
| bone spavin | A rarefying osteitis involving the bones of the tarsus of the horse, usually those on the medial surface, resulting in exostoses and ankylosis. (05 Mar 2000) |
| spavin | <veterinary> A disease of horses characterised by a bony swelling developed on the hock as the result of inflammation of the bones; also, the swelling itself. The resulting lameness is due to the inflammation, and not the bony tumour as popularly supposed. Bog spavin, a soft swelling produced by distention of the capsular ligament of the hock; called also blood spavin. Bone spavin, spavin attended with exostosis; ordinary spavin. Origin: OE. Spaveyne, OF. Esparvain, F. Eparvin; akin to OF. Espervier a sparrow hawk, F. Epervier, fr. OHG. Sparwari (G. Sperber), fr. OHG. Sparo sparrow, because this disease makes the horse raise the infirm leg in the manner of a sparrow hawk or sparrow. See Sparrow. Source: Websters Dictionary (01 Mar 1998) |
| occult | Obscure, concealed from observation, difficult to understand. (18 Nov 1997) |
| occult bleeding | See: occult blood. (05 Mar 2000) |
| occult blood | Blood that is in the faeces or vomitus that is not obvious by general inspection. Used as a diagnostic screening test for colon cancer. Tests for occult blood are generally colourimetric. Stool sample will turn blue when a particular chemical reagent is mixed with the specimen on test paper. Kits for measuring occult blood in the stools are now available at most drug stores. (27 Sep 1997) |
| occult border of nail | The proximal border of the nail entirely covered by the nail wall. Synonym: margo occultus unguis, occult border of nail. (05 Mar 2000) |
| occult carcinoma | <tumour> A small carcinoma, either asymptomatic or giving rise to metastases without symptoms due to the primary carcinoma. (05 Mar 2000) |
| occult fracture | A condition in which there are clinical signs of fracture but no X-ray evidence; after 3 or 4 weeks X-ray imaging shows new bone formation. (05 Mar 2000) |
| occult hydrocephalus | <neurology> A brain disorder caused by blockage of the flow of cerebrospinal fluid (CSF), with enlargement of the ventricles of the brain (keep the pressure normal) and compression of brain tissue. Brain atrophy is the result. In this condition the CSF is produced normally but not reabsorbed. Symptom onset is gradual. A key feature is dementia. Treatment is surgical (VP shunt). (13 Nov 1997) |
| faecal occult blood test | <investigation> A chemical test that measures the presence of fresh or decomposed blood. Blood may arise from bleeding anywhere along the gastrointestinal tract, from the mouth to the anus. An easy to perform colourmetric test. Occult means hidden. (08 Mar 2000) |
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