You should have a colonoscopy every 10 years starting at age 50. Alternatively, you may get a flexible sigmoidoscopy every five years, a double-contrast barium enema every five years or a CT colonography (virtual colonoscopy) every five years. However, a colonoscopy will be needed if any of those results are positive.
Jena Pincott explains that even after a mother gives birth, her babyâs cells remain inside her body â and work tiny wonders. In an excerpt from her book Do Chocolate Lovers Have Sweeter Babies?, Pincott explains that pregnancy is really only the beginning for mother and baby cell-sharing.
A Sertoli cell (a kind of sustentacular cell) is a nurse cell of the testicles that is part of a seminiferous tubule and helps in the process of spermatogenesis; that is, the production of sperm.ecause its main function is to nourish the developing sperm cells through the stages of spermatogenesis, the Sertoli cell has also been called the mother or nurse cell.