Assertion: clitoris's structure | /r/Synonym | dead end sacs
Facets:
Source sentences:
text: Females of some waterfowl species have developed vaginal structures called dead end sacs and clockwise coils to protect themselves from sexual coercion.
text: The male waterfowl evolution of a phallus to forcefully copulate with females has led to counteradaptations in females in the form of vaginal structures called dead end sacs and clockwise coils.