Heterophobia is a neologism coined in the 1980s, first appearing in print in 1990, used in analogy to homophobia. It does not have much currency outside the field of sexology, and limited use even within that field.
... the urinary bladder to the outside of the body. The urethra has an excretory function in both sexes, to pass urine to the outside, and also a reproductive function in ...