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.
Also referred to as reactive lymphocytes, atypical lymphocytes are larger in size with a diameter of more than 30 microns. The large size of the lymphocytes is attributed to antigen stimulation. There are several factors that are responsible for atypical lymphocytes. These atypical lymphocytes are either folded, round, indented or elliptic in shape. They have basophilic cytoplasm and contain several vacuoles.