The urethra's structure is specialized for both storage (continence) and voiding (urination).
: 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. urethra
: 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. The urethra's structure is specialized for both storage