See Also: illumination, critical(medicine)
illumination(dictionary)
illumination(dictionary)
Illumination(medicine)
illumination, Kohler(medicine)
vertical illumination(medicine)
annular illumination(medicine)
Kohler illumination(medicine)
erect illumination(medicine)
direct illumination(medicine)

Factor X (health) and illumination, critical (medicine)


Factor X (health)


A coagulation factor, a substance in blood essential to the normal clotting process. Production of factor X takes place in the liver and requires vitamin K. The gene for factor X is located on chromosome 13 and is in band 13q34.





illumination, critical (medicine)


illumination, critical
<microscopy> The formation of an image of the light source in the object field.

The Nelsonian method in which the light source is imaged in the plane of the specimen. A ribbon filament or arc lamp is required to give uniform illumination, the lamp must be focusable, the filament position must be adjustable in all directions. The use of an achromatic condenser is advised.

Synonym: Nelson illumination.