Does baby brain really exist? Answers from Myra Wick, M.D., Ph.D. There isn't enough information to support the existence of baby brain or pregnancy brain â terms used to describe the idea that pregnancy or early motherhood can harm a woman's memory and ability to think.
What two sites are involved in the production and maturation of T lymphocytes? What hormone is secreted by the thymus and stimulates the maturation of lymphocytes into T cells? Thymosin (THIGH-moh-sin) is secreted by the thymus and effects the  maturation of T-cells.
LH (Luteinizing Hormone) aids maturation of cells in the ovary and triggers ovulation in females. In males, it causes the interstitial cells of the testis to produce testosterone. FSH (Follicle Stimulating Hormone) stimulates ovarian follicle production in females and sperm production in males.