Methods Several stereological targets of granular convoluted tubules in submandibular glands of ICR mice after HCG or physiological saline injection were measured by micromeasuring ruler.

• 方法用显微测微尺测出ICR雄性小鼠注射HCG或生理盐水后颌下腺颗粒曲管的各项体视学指标。