| B0 | constant magnetic field in nuclear magnetic resonance |
|---|---|
| B1 | induced field in magnetic resonance imaging; radiofrequency magnetic field in nuclear magnetic reson... |
| CIDNP | chemically induced dynamic nuclear polarization |
| CNI | center of nuclear image; chronic nerve irritation |
| CNM | Certified Nurse-Midwife; computerized nuclear morphometry |
| axial cataract | A lenticular opacity in the visual axis of the lens. (05 Mar 2000) |
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| black cataract | A cataract in which the lens is hardened and of a dark brown colour. In the 19th century, German black cataract meant gutta severa (q.v.). Synonym: cataracta brunescens, cataracta nigra. (05 Mar 2000) |
| blue cataract | Coronary cataract of bluish colour. Synonym: cataracta cerulea. (05 Mar 2000) |
| capsular cataract | A cataract in which the opacity affects the capsule only. (05 Mar 2000) |
| capsulolenticular cataract | A cataract in which both the lens and its capsule are involved. See: membranous cataract. (05 Mar 2000) |
| galactose cataract | A neonatal cataract associated with intralenticular accumulation of galactose alcohol. See: galactosaemia. (05 Mar 2000) |
| radiation cataract | A cataract caused by excessive or prolonged exposure to ultraviolet rays, X-rays, radium, beta rays, gamma rays, heat, or radioactive isotopes. (05 Mar 2000) |
| vascular cataract | Congenital cataract in which the degenerated lens is replaced with mesodermal tissue. Synonym: cataracta adiposa, cataracta fibrosa. (05 Mar 2000) |
| reduplicated cataract | A type of congenital cataract with opacities situated at various levels in the lens. (05 Mar 2000) |
| cataract | <ophthalmology> An ocular opacity, partial or complete, of one or both eyes, on or in the lens or capsule, especially an opacity impairing vision or causing blindness. The many kinds of cataract are classified by their morphology (size, shape, location) or aetiology (cause and time of occurrence). Origin: L. Cataracta, from Gr. Katarraktes = waterfall, floodgate, portcullis (18 Nov 1997) |
| cataract extraction | <ophthalmology> The surgical removal of a cataract from the eye to improve vision. An artificial intraocular lens may then be implanted. Approximately 10 weeks are required for complete recovery and healing. (16 Mar 1998) |
| cataract lens | Any lens prescribed for aphakia. (05 Mar 2000) |
| cataract needle | A very narrow, needle-pointed knife used in discission of a cataract. Synonym: cataract needle. (05 Mar 2000) |
| cataract-oligophrenia syndrome | <syndrome> A rare neurologic disorder characterised by cerebellolental degeneration with mental retardation; autosomal recessive inheritance. Synonym: cataract-oligophrenia syndrome, Marinesco-Sjogren syndrome, Torsten Sjogren's syndrome. (05 Mar 2000) |
| cataract spoon | A small concave instrument for removing a cataractous lens. (05 Mar 2000) |