| Purkinje's phenomenon | <ophthalmology> In the light-adapted eye, the region of maximal brightness is in the yellow; in the dark-adapted eye, the region of maximal brightness is in the green. Synonym: Purkinje effect, Purkinje shift. (05 Mar 2000) |
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| Purkinje system | <cardiology, physiology> Terminal ramifications in the ventricles of the specialised conducting system of the heart. (05 Mar 2000) |