| NEFL | light polypeptide of neurofilament protein |
|---|---|
| NFL | nerve fiber layer; neurofilament protein, light polypeptide |
| PERLA | pupils equal, react to light and accommodation |
| PERRLA | pupils equal, round, and reactive to light and accommodation |
| PKCSL | protein kinase C light chain |
| left atrial pressure | <radiology> 15-20 mm Hg redistribution 20-25 interstitial oedema 25-30 airspace oedema (12 Dec 1998) |
|---|---|
| lower body negative pressure | External decompression applied to the lower body. It is used to study orthostatic intolerance and the effects of gravitation and acceleration, to produce simulated haemorrhage in physiologic research, to assess cardiovascular function, and to reduce abdominal stress during childbirth. (12 Dec 1998) |
| low-pressure | Having, employing, or exerting, a low degree of pressure. Low-pressure steam engine, a steam engine in which low steam is used; often applied to a condensing engine even when steam at high pressure is used. See Steam engine. Source: Websters Dictionary (01 Mar 1998) |