| 1. | After administrated for successive 10 days , mice were anesthetized by sodium phenobarbital , carried out heart perfusion 30min with 2 % paraformaldehyde , then extracted hippocampus and submaxillary gland , made frozen sections 连续灌胃给药10天后,苯巴比妥钠麻醉小鼠,用2多聚甲醛心脏灌流固定30ndn ,取出海马和颌下腺,做冰冻切片。 |