See Also: nystagmograph(medicine)

symptom (iou) and nystagmograph (medicine)


symptom (iou)



symptom noun. LME.
[medieval Latin synthoma from late Latin symptoma from Greek sumptoma chance, accident, mischance, from sumpiptein fall upon, happen to, formed as SYM- + piptein to fall.]
Medicine. A physical or mental phenomenon, circumstance, or change of condition arising from and accompanying a disorder and constituting evidence of it; a characteristic sign of a particular disease. Now spec. a subjective indication perceptible to the patient, as opp. to an objective one (cf. SIGN noun 6c). LME.
a. gen. A phenomenon or circumstance accompanying a condition, feeling, etc., and serving as evidence of it; a sign or indication of the existence of something. E17.
H. Carpenter His playing of the fool was a symptom..of pessimism. Gamut These incidents are symptoms of contemporary..society's deep-seated insecurity.
b. In neg. contexts: a slight or the least sign of something; a trace, a vestige. E18.
Horace Walpole Europe could scarce amass the symptom of a fleet.
Comb.: symptom complex, symptom group Medicine a set of symptoms occurring together and characterizing or constituting a particular disease.
symptomless adjective L19.
sympto'mology noun = SYMPTOMATOLOGY M19.

nystagmograph (medicine)


nystagmograph


An apparatus for measuring the amplitude, periodicity, and velocity of ocular movements in nystagmus, by measuring the change in the resting potential of the eye as the eye moves.

Origin: nystagmus + G. Grapho, to write