Renewal Requirements. Surgical technologists must renew their registration every year on or before their birthday. They're required to submit the appropriate fee. Continuing education is not required.
The nipple is the elevated structure located in the center of the areola (the pigmented skin surrounding the nipple) on the breast mound. Its color is determined by the thinness and pigmentation of the skin.
Human skin pigmentation is the result of natural selection. Skin pigmentation in human beings evolved primarily to regulate the amount of ultraviolet radiation penetrating the skin, controlling its biochemical effects.umelanin is found in hair, areola, and skin, and the hair colors grey, black, yellow, and brown. In humans, it is more abundant in people with dark skin. Pheomelanin, a pink to red hue is found in particularly large quantities in red hair, the lips, nipples, glans of the penis, and vagina.