In medical terminology, which of the following relates to urology?

Urology is the branch of medicine that focuses on disorders related to the urinary system and the male reproductive organs. It encompasses the diagnosis and treatment of conditions affecting the kidneys, ureters, bladder, urethra, and the male reproductive system. This specialization is crucial for managing a wide range of issues, including urinary tract infections, prostate conditions, and kidney stones.

The other options relate to different medical specialties. Dermatology deals with skin conditions; endocrinology focuses on hormone-related disorders; and pediatrics is concerned with the medical care of infants, children, and adolescents. Each of these fields addresses distinct areas of health and disease, making urology the correct choice in this context.