See Also: erect illumination(medicine)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
erect(medicine)
erect(1)(dictionary)
erect(2)(dictionary)
erect 1, adjective(dictionary)
erect 2, verb(dictionary)
illumination(dictionary)
illumination(dictionary)
Illumination(medicine)

erect illumination (medicine)


erect illumination -->
direct illumination


An illumination in which the rays of light are directed downward, almost perpendicularly onto the upper surface of the object, which reflects the rays upward into the optical system.

Synonym: erect illumination, vertical illumination.