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.
Hormones necessary for lactation to begin: prolactin, insulin and hydrocortisone Supportive homones:insulin, cortisol, thyroid-parathyroid homrone and growth hormone.xytocin is secreted before tactile stimuli and then a 2nd surge in response to suckling. The levels are pulsatile in nature during suckling and not related to milk volume, prolactin response or parity of the mother.