Figure 8

Transverse section through a vas autograft 1 month after surgery showing mild degenerative changes. The enlarged, rounded lumen (l) exhibits an increased presence of spermatozoa (s), and disrupted smooth muscle (sm) layers are partially replaced by fibrous tissue (f) surrounded by a revascularizing, thickened adventitia (arrows). Note the reduced epithelial height (arrow heads) and large perivasal pad of adipose tissue (a) 55x.