rete testis ubulus rectus EFFERENTIA CAPUT EPIDIDYMIS HEAD RETE TESTIS spermatogenicwo CORPUS EPIDIDYMIs e SEMINIFEROUS TUBULES seminiferous tubule site of reversal CAUD粪 EPIDIDYMIS FIG. 7-8. A seminiferous tubule in which the ITAIL wave of the seminiferous epithelium is sche- matically represented along the length of the FIG. 7-7 Loops of the seminiferous tubules tubule. The succession of stages I to XII, the site of reversal in the middle of the tubule and the rete testis and the excurrent duct system the relationship of the wave to the rete testis of the ram. The pathway by which spermatozoa are transported to the exterior is indicated by are shown. The more advanced stages of each arrows(Modified from Setchell, B P(1977)In wave are located nearer the rete testis. An ac- Reproduction in Domestic Animals. H.H. Cole tual seminiferous tubule may contain 15 or more complete spermatogenic waves. and P.T. Cupps(eds ) New York, Academic (Adapted from Perey, B, Clermont, Y. and Press.) Leblond, C P (1961)Am J. Anat. The wave of the seminiferous epithelium in the rat. 108, 47- 77
、睾丸产生精子的速度 每克睾丸组织每日产生的精子 Bul1.3~1.9x10 Boar2.4~3.1x10 Ram24~2.7x10
四、睾丸产生精子的速度 每克睾丸组织每日产生的精子： Bull 1.3~1.9 x10 7 Boar 2.4~3.1 x 107 Ram 2.4~2.7 x 107
五、精子在附睾內的成熟 1、精子在附睾中的变化 2、精子在附睾中贮存的时间 10-15d
五、精子在附睾内的成熟 1、精子在附睾中的变化 2、精子在附睾中贮存的时间 10—15d
六、血-睾屏障和睾丸液的形成 一)概念( Blood- Testis barrier) 它是指精细管腔外的肌细胞和腔内的足细胞间,通过紧密连接 形成的一种特殊组织结构。 (二)基本结构 腔外肌细胞连接 2.足细胞间连接
六、血-睾屏障和睾丸液的形成 (一)概念（Blood-Testis Barrier) 它是指精细管腔外的肌细胞和腔内的足细胞间,通过紧密连接 形成的一种特殊组织结构。 (二)基本结构 1. 腔外肌细胞连接 2. 足细胞间连接
LUMINAL COMPARTMENT TESTICULAR FLUID H2 SOLUTE SOLUTE SERTOLI CELL ADLUMINA COMPARTMENT As H2o HoO SOLUTE SOLUTE nSOLUTE SERTOLI CELL BASAL COMPARTMENT TIGHT JUNCTIONS MYOID CE