If your cat is not altered, there is a good chance she is pregnant. Her mammary glands could be swelling in preparation for filling with milk.
You can use an antibacterial cream on a cat's sore nipples. The cream will help to heal the sore nipples.
Squeeze on her nipples.
No. A male cat's nipples do not produce milk so never "dry up" in the first place. A cat's nipples are part of the body.
Both genders of cat will have nipples. The male will have a scrotum and penis, the female will not.
Your boobies are growing
No. Have to look around the genital area. Ask a vet or another adult. The only way you could tell the sex of a cat by looking at the nipples would be if it is a nursing mother cat, in which case the breasts of the cat would be hanging lower and filled with milk. Otherwise a male cat's and a female cat's nipples look pretty much the same.
I think the standard issue number of nipples is 8, but I just noticed my cat Dwight has 10....apparently this is quite rare !!
Male cats do not have prominent nipples.
her nipples
not unless their pregnant
That she is or was suckling kittens.
It means your cat is a girl.