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.
DCC gene (d eleted in c olorectal c arcinoma) a gene normally expressed in the mucosa of the colon but reduced or absent in a small proportion of patients with colorectal cancer. dominant gene one that produces an effect (the phenotype) in the organism regardless of the state of the corresponding allele. An example of a trait determined by a dominant gene is brown eye color. See also heredity. histocompatibility gene one that determines the specificity of tissue antigenicity (hla antigens) and thus the compatibility of donor and recipient in tissue transplantation and blood transfusion.