Parent term(s)

keratitis +

Term with siblings

corneal ulcer +

autosomal dominant keratitis
corneal neovascularization +
deep keratitis +
filamentary keratitis
gonococcal keratitis
herpes simplex virus keratitis
macular keratitis
photokeratitis
superficial keratitis

Child term(s)

central corneal ulcer

marginal corneal ulcer

Mooren's ulcer

mycotic corneal ulcer

perforated corneal ulcer

ring corneal ulcer

denotes an 'is-a' relationship