A small blister caused by a burn.
A small pinkish-yellow nodule surrounded by a zone of dilated blood vessels that occurs in the conjunctiva or in the cornea. It develops into a small ulcer that heals without trace in the conjunctiva but produces some residual scarring in the cornea. Phlyctenae, which are prone to recur, are thought to be due to a type of allergy to the tubercle bacillus.
A blister that forms after a burn.
A small sac-like structure filled with lymph.