has part has part has_part cell cell internal genitalia internal genitalia The internal genitalia are the internal sex organs such as the uterine tube, the uterus and the vagina in female mammals, and the testis, seminal vesicle, ejaculatory duct and prostate in male mammals. TODO: make a subdivision of reproductive system. Relabel. See https://github.com/obophenotype/uberon/issues/547 internal genitals internal genitalia FMA:45652