REM

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REM

 
rapid eye movement; see sleep.

rem

 [rem]
roentgen equivalent man; the amount of any ionizing radiation which has the same biological effect as 1 rad of x-rays; 1 rem = 1 rad RBE (relative biological effectiveness).

REM

1. Acronym for rapid eye movements , under movement.

rem

Abbreviation for roentgen-equivalent-man.

REM

rapid eye movements (see under sleep ).

rem

(rem) r oentgen-e quivalent–m an: the amount of any ionizing radiation that has the same biological effectiveness as 1 rad of x-rays; 1 rem = 1 rad × RBE (relative biological effectiveness).

REM

(rĕm)
n.
The twitching movements of the eye muscles and other physiological changes that occur during REM sleep.

rem

(rĕm)
n.
1. The amount of ionizing radiation required to produce the same biological effect as one rad of high-penetration x-rays.
2. A unit for measuring absorbed doses of radiation, equivalent to one roentgen of x-rays or gamma rays.

rem

[rem, är′ē′em′]
abbreviation for roentgen equivalent man, a dose of ionizing radiation that produces in humans the same effect as one roentgen of x-radiation or gamma radiation. See also sievert.

REM

[rem, är′ē′em′]
abbreviation for rapid eye movement. See sleep.

rem

Roentgen-equivalent in man Radiation physics The traditional unit of equivalent dose/unit of absorbed radiation, ± equal to a rad or 0.01 Seivert–Sv, the unit that replaces the rem–1 Sv = 100 rem. See Gray, Rad, Sievert.

REM

Abbreviation for rapid eye movements.

rem

Abbreviation for roentgen-equivalent-man.

REM,

n rapid eye movement; the cyclical phase of sleep that occurs roughly every 90 minutes and lasts from 5 to 30 minutes; is associated with dreaming.

REM

Acronym for rapid eye movements;reticular erythematous mucinosis

rem

Abbreviation for roentgen-equivalent-man.

rem (roentgen-equivalent-man),

n a unit of absorbed radiation dose adjusted for biologic effects equivalent to 1 rad of 250 kV roentgen rays (dental and cephalometric roentgen rays require less than 100 kV).

REM

rapid eye movement. See also sleep.

rem

acronym for roentgen equivalent man; the amount of any ionizing radiation which has the same biological effect as 1 rad of x-rays; 1 rem = 1 rad × RBE (relative biological effectiveness). Now replaced by the sievert (Sv) SI unit. 1 Sv = 100 rem.