to evaluate the effects of steroids entering the epididymis in rete testis fluid on testosterone ( t ) metabolism by the epididymal epithelium , principal cells were isolated from the proximal caput , distal caput or corpus epididymidis by enzymatic dissociation and elutriation and were cultured at 34 degrees c within a floating collagen matrix .
C0014533
epididymis
C0228022
corpus epididymidis