system - a group of physiologically or anatomically related organs or parts; "the body has a system of organs for digestion"

germ cell, reproductive cell, sex cell - a spermatozoon or an ovum

apparatus urogenitalis, genitourinary apparatus, genitourinary system, systema urogenitale, urinary apparatus, urinary system, urogenital apparatus, urogenital system - the system that includes all organs involved in reproduction and in the formation and voidance of urine

reproductive organ, sex organ - any organ involved in sexual reproduction

female reproductive system - the reproductive system of females

male reproductive system - the reproductive system of males