A term of waning popularity for inflammation of the nipples.
Mammillitis got 10,100 hits on 01.05.2015. Because mammillitis is also used in veterinary medicine, the somewhat unwieldy plain English alternative for mammillitis–inflammation of the nipple, which refers specifically to humans and got 73,800 hits, would seem to be the preferred term. For the record, nipple inflammation got 1,170 hits.
A term in active use for inflammation of the bovine teats and udder, which is often caused by bovine herpesvirus 2.
Synonyms Bovine herpes mammillitis, bovine ulcerative mammillitis, ulcerative mammillitis