Figure 42-16

Figure 42-16. Microscopic epididymal sperm aspiration. A small "window" incision is made in the scrotum and held open with a small retractor. Under 20 A~— magnification, the epididymis is dissected, and a single epididymal tubule is incised with microscissors. Fluid containing sperm is aspirated for use with in vitro fertilization.