Methods: After excision of submaxillary gland, changes of enzymes and metabolite related to testosterone synthesis in Leydig cells were studied through enzyme histochemistry and image analysis.

• 方法：用组织化学和图像分析方法对颌下腺切除后不同时期大鼠睾丸间质细胞中与睾酮合成有关的一些酶和代谢物变化进行了研究。