Fig. 1From: Organ culture of seminiferous tubules using a modified soft agar culture systemIn-vitro spermatogenesis using culture of seminiferous tubules (STs) or testicular cells from 3- or 6-day-old mice. a Schematic presentation of experimental procedures. b Stereomicroscopic appearance of colony formation and seminiferous tubules. Arrow indicates complete canalization of seminiferous tubules in the fourth week. Scale bars in STs = 1 mm and in colonies = 50 μmBack to article page