What does "pen/o" refer to in medical terminology?

In medical terminology, the root "pen/o" specifically refers to the penis. This term is derived from Latin, where "penis" means tail, and in the context of human anatomy, it denotes the male reproductive organ involved in both urination and sexual function.

Understanding this term is crucial in various medical contexts, such as urology and reproductive health, as it helps professionals communicate effectively about male sexual anatomy and associated health issues. Other terms, such as "pelvis" or "perineum," have different roots and meanings, making it important to distinguish them within medical vocabulary for accurate diagnosis and treatment.