Urethra | FULL ★ |

: Approximately 18–22 cm long, it is divided into four main sections: pre-prostatic, prostatic (widest), membranous (narrowest), and spongy/penile (longest). Beyond carrying urine, it is a vital part of the reproductive system , transporting semen during ejaculation.

When medical issues are suspected, healthcare providers use several imaging and physical tests to "look at" or evaluate the urethra: Histology, Male Urethra - StatPearls - NCBI Bookshelf urethra

: Significantly shorter at about 4 cm (1.5 inches). It is located in front of the vagina and opens at the vestibule. Its primary role is solely the transport of urine. : Approximately 18–22 cm long, it is divided