When the activity of a ductless gland rises above a certain minimum, its hormones in the blood sensitize, as a photographic plate is sensitized, a group of brain cells, to respond to a message from the outside world, with a definite line of conduct.
"The Glands Regulating Personality"
Louis Berman, M.D.
Now pin up the paper to dry, which should be done rapidly, and sensitize a second time in proceeding in the same manner.
"Photographic Reproduction Processes"
P.C. Duchochois
To sensitize by floating, it should be left but for a few seconds on the solution and removed by dragging it on a glass rod in order to remove the superfluous liquid.
"Photographic Reproduction Processes"
P.C. Duchochois