See Also: pervigilium(medicine)

phosphene (iou) and pervigilium (medicine)


phosphene (iou)



phosphene noun. L19.
[from Greek phos light + phainein to show.]
A visual sensation produced by mechanical stimulation of the retina, as by pressure on the eyeball.

pervigilium (medicine)


pervigilium
Wakefulness; sleeplessness.

Origin: L. A watching all night