Penile spines of a domestic cat. Many mammalian species have developed keratinized penile spines along the glans and/or Felines, especially domestic cats, are well known for having penile spines. Upon withdrawal of a See also[ edit]. Fordyce spots · Sexual conflict#Spiky genitals · Lion#Reproduction and life cycle.
Men have lost the DNA code that once made human penises spiny, Penile spines, which are still present in several modern animals, are usually small In some modern animals, such as domestic cats, penile spines help.
For all species of the cat family, mating is painful. It's not the biting that hurts the female, it's the male's penis, which is barbed with tiny.
Every physical characteristic your cat has contributes to survival. The barbs on a male cat's penis are no exception. They help ensure that his genes are passed.
r/askscience: Ask a science question, get a science answer. Do female cats actually experience great pain from this? Edit: for spelling. 2 comments. share.