throughout the epididymis in both control and gossypol-treated animals it was found that the zonula occludens at the apicolateral surface of the epididymal epithelial cells was the sole and ultimate structural component of the rat beb ; the flow of intravascularly perfused lanthanum was not significantly impeded by the vascular endothelium , the peritubular myoid layer or other lateral cell surface specializations .
C0242358
zonula occludens
C0699040
cell surface