| peritoneal exudate | A term most commonly used to describe the fluid drained from the peritoneal cavity some time after the injection of an irritant solution. For example: a standard method for obtaining neutrophil leucocytes is to inject intraperitoneally saline with glycogen (to activate complement) and drain off the leucocyte rich peritoneal exudate some hours later. (18 Nov 1997) |
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| circinate | Circular; ring-shaped. Origin: L. Circinatus, made round, pp. Of circino, to make round, fr. Circinus, a pair of compasses (05 Mar 2000) |
| circinate retinitis | See: circinate retinopathy. (05 Mar 2000) |
| circinate retinopathy | A retinal degeneration marked by a girdle of sharply defined white exudates around an edematous macula; usually bilateral and typically affects the aged. (05 Mar 2000) |
| exudate | <physiology> Material, such as fluid, cells or cellular debris, which has escaped from blood vessels and has been deposited in tissues or on tissue surfaces, usually as a result of inflammation. An exudate, in contrast to a transudate, is characterised by a high content of protein, cells or solid materials derived from cells. Compare: transudate. Origin: L. Exsudare = to sweat out (27 Jun 1999) |
| exudate cell | Leucocytes that enter tissues (exude from the blood vessels) during an inflammatory response. See: peritoneal exudate. (18 Nov 1997) |