from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun medicine Lack of
neuromuscular reflexes. A symptom associated with many neurological disorders.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun absence of a reflex; a sign of possible nerve damage
Sorry, no etymologies found.
On urodynamic study, detrusor hyperreflexia (DH) with high-pressure voiding was present in six, detrusor areflexia (DA) in four, normal study in one and increased PVR urine in the remaining patients.
For GBS, each patient demonstrated a progressive, symmetric ascending paralysis with a relative sensory sparing in more than one extremity with hypo - or areflexia
,  and absence of neurological reflexes such as the knee jerk reaction (areflexia)  - .