rapid eye movement

movement /move·ment/ (mldbomacv´ment)

1. an act of changing position.

2. defecation.

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ameboid movement  movement like that of an ameba, accomplished by protrusion of cytoplasm of the cell.

associated movement 

1. movement of parts which act together, as the eyes.

2. synkinesis.

bowel movement  defecation (def. 2).

brownian movement  the random zigzag or dancing movement of minute solute particles suspended in a solvent, due to bombardment by rapidly moving solvent molecules.

rapid eye movement  (REM) the rapid conjugate movement of the eyes that occurs during REM sleep (see under sleep ).

vermicular movement  peristalsis.

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rapid eye movement

n.

Abbr. REM The rapid periodic jerky movement of the eyes during certain stages of the sleep cycle when dreaming takes place.

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rapid eye movement.

See sleep.

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rapid eye movement,

n recurring phase of sleep associated with dreaming, characterized by the rapid motion of the eyes beneath the eyelids. Also called
paradoxical sleep, rapid eye movement sleep, or
REM sleep.