ablation -  Removal or excision.

external meatus - The urinary (external) meatus (pronounced /miːˈeɪtəs/) is the external orifice of the urethra, from which urine is ejected during urination and semen is ejected during ejaculation.

frenulum - the fold under the penis connecting it with the prepuce.

glans penis - The glans penis (or simply glans) is the sensitive bulbous structure at the distal end of the penis. It is also commonly referred to as the "head" of the penis.

iatrogenically  -  Induced in a patient by a physician's activity, manner, or therapy. Used especially of an infection or other complication of treatment.

Ischemia -  Inadequate blood supply (circulation) to a local area due to blockage of the blood vessels to the area.