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对１０月龄正常家兔６只、３０月龄６只进行解剖学和组织学观察。家兔副性腺由精囊腺、前列腺和尿道球腺组成，精囊腺位于膀胱后，紧贴输精管壶腹部，上方为两个单独突起（称精囊角），至前列腺前叶水平融合成精囊体，前列腺紧贴于精囊腺背侧，分为前后两叶，有共同的结缔组织囊，前叶较宽，有两条粗大导管，后叶导管较细，均开口于尿生殖窦。组织学观察证实，３０月龄家兔的精囊腺、前列腺均有一定程度的增龄性变化，表现为上皮细胞退变、萎缩、间质平滑肌增生，时见鳞化，以前叶为著。
Six rabbits of 10 months old and 6 rabbits of 30 months old were observed for anatomy and histology. The rabbit gonads are composed of seminal vesicle, prostate gland and urethral gland. The seminal vesicle gland is located behind the bladder, close to the abdomen of the ampulla of ampulla. The upper part is two separate processes (called seminal vesicle), which are fused to the seminal vesicle, Close to the dorsal seminal vesicle, divided into two leaves before and after, there are common connective tissue sac, wide anterior leaf, two thick catheter, posterior lobe catheter smaller, are open in the urogenital sinus. Histological observation confirmed that 30-month-old rabbits seminal vesicle, prostate have a certain degree of age-related changes, manifested as degeneration of epithelial cells, atrophy, interstitial smooth muscle hyperplasia, when the scaling, the former leaves.