Fetal hypophysis as the main source of serum TSH in fetal rat

Summary Decapitation performed at days 17–18 leads to a drastic drop (82%) in blood TSH of 19 and 21-day-old rat fetuses below the mother's level.¹²⁵I-TSH injected at 21 days into the mother's bloodstream is not found in fetal blood. The fetal hypophysis is the main source of fetal plasmatic TSH.     

初孵扬子鳄脑垂体P物质的免疫组织化学研究

用免疫组织化学方法观察了P物质在初孵扬子鳄脑垂体的分布特点.P物质阳性细胞分布于初孵扬子鳄脑垂体内侧腺垂体部,阳性纤维分布于初孵扬子鳄脑垂体外侧的神经部.结果表明P物质可能对垂体内分泌细胞有调节作用.