Final answer:
Varicocelectomy is the procedure for the removal of an enlargement of the venous plexus in the scrotum. It involves ligation or tying off of the dilated veins to improve blood flow and reduce swelling.
Step-by-step explanation:
The procedure for the removal of an enlargement of the venous plexus in the scrotum is called varicocelectomy. Varicocelectomy is a surgical procedure in which the dilated veins in the scrotum are ligated or tied off to improve blood flow and reduce the swelling. This procedure is typically performed to treat a condition called varicocele, which is the enlargement of the veins in the scrotum.