Cortisol induces stress-related changes in the skin of rainbow trout (Oncorhynchus mykiss).

The ultrastructure of the skin of rainbow trout, Oncorhynchus mykiss, was studied over a 7-day period after a single meal containing cortisol. The fish experienced increased plasma cortisol levels for 1 day. Pavement cells contained significantly more vesicles of high electron density, which were also numerous in deeper filament cells, and displayed… CONTINUE READING