摘要
为了垂体移植,我们对出生第1、5、10、15天的大鼠垂体远侧部进行了电镜观察,结果是;第一天垂体远侧部主要以GH细胞为主,可见到ACTH和TSH细胞,而FSH和LH细胞则少见,而且各种细胞中分泌颗粒的数量较少,在各种分泌细胞间存在着相对较多的无分泌的细胞,可见细胞分裂像。5天、10天、15天后有分泌颗粒的细胞数量相对增加,无分泌颗粒细胞的数量相对减少。
For choosing the suitable pituitary graft,we observed the pituitary of the pars distalis in newborn rats on the Ist, 5th, 10th, 15th days old with electron microscope. The result showed GH cells appeared predominantly on the l to 5th day on the pars distal of pituitary, ACTH and TSH cells were found as well. But FSH and LH cells were seldom seen,and the quantity of sectetion granules was fewer in each anterior cell. There were more cells without secretion granules be relative to secretion cells of the pituitary gland. On the 5th day of newborn ,the number of secretion cells increased relatively and the number of cells without secretion granules reduced relatively. On the 10th and 15th day of newborns ,the quantity of secretion granules increased relatively in each secretion cell of the pituitary gland, especially GH eclls. In addition,PRL cells did not appeared in aforesaid periods. Our conclusion is that it is best to choose newborn rat within 5days old to be donator.
