| CNV | choroidal neovascularization; contingent negative variation; cutaneous necrotizing vasculitis |
|---|---|
| OB | obese [mouse]; obese, obesity; objective benefit; obliterative bronchiolitis; obstetrics, obstetrici... |
| AChA | anterior choroidal artery |
| SMCD | senile macular choroidal degeneration; systemic mast cell disease; systemic meningococcal disease |
| LANV | left atrial neovascularization |
| NV | Neovascularization |
|---|---|
| SRN | Subretinal neovascularization |
| AOVM | angiographically occult vascular malformation |
| FOB | Faecal Occult Blood |
| FOBT | Faecal occult blood test |
| retinal neovascularization | <ophthalmology> New blood vessels originating from the retinal veins and extending along the inner (vitreal) surface of the retina. This process is characterised by a diseased retina with a disturbed vascular bed. Neovascularization is associated with a variety of conditions including vascular occlusion, sickle cell diseases, sarcoidosis. (12 Dec 1998) |
|---|---|
| corneal neovascularization | New blood vessels originating from the corneal veins and extending from the limbus into the adjacent corneal stroma. These vessels may lie in the superficial and/or deep corneal stroma. Neovascularization is a sequel to numerous inflammatory diseases of the ocular anterior segment, including trachoma, viral interstitial keratitis, microbial keratoconjunctivitis, and the immune response elicited by corneal transplantation. (12 Dec 1998) |
| neovascularization | Proliferation of blood vessels in tissue not normally containing them, or proliferation of blood vessels of a different kind than usual in tissue. (05 Mar 2000) |
| neovascularization, pathologic | Proliferation of blood vessels in tissue not normally containing them, or proliferation of blood vessels of a different kind than usual in tissue. It includes angiogenesis in tumour growth, diabetic retinopathy, haemangiomas, arthritis, and psoriasis. (12 Dec 1998) |
| neovascularization, physiologic | The development of new blood vessels, especially in tissues where circulation has been impaired by trauma or disease; in healthy tissue transplants to restore circulation between a transplant and surrounding tissue; and across anastomotic sites. (12 Dec 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) |
| anterior choroidal artery | <anatomy, artery> Origin, internal carotid or (rarely) middle cerebral artery; distribution, optic tract, crus cerebri, uncus, hippocampus, globus pallidus, posterior part of internal capsule, geniculate bodies of the thalamus, and choroid plexus in the inferior horn of the lateral ventricle. Synonym: arteria choroidea anterior. (05 Mar 2000) |
| central areolar choroidal atrophy | A slowly progressive pigmentary degeneration in young persons; characterised by black foci closely set together and coalescent at the posterior pole and macular region. Synonym: central areolar choroidal atrophy, central areolar choroidal sclerosis. (05 Mar 2000) |
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