Definition, Meaning & Synonyms

phlyctenule

Noun

/flɪkˈtɛnjuːl/

Definition

A small and inflammatory lesion or bump on the surface of the eye or on the skin, typically associated with an infection or an allergic reaction.

Examples

The patient presented with a phlyctenule on the conjunctiva, which was later diagnosed as a hypersensitivity reaction.
A phlyctenule can develop as a response to chronic eye irritation.
In her exam, the doctor noted that the phlyctenule had not increased in size since the last visit.

Meaning

In the context of ophthalmology, phlyctenule usually refers to a small, elevated nodule on the conjunctiva or cornea, often caused by a hypersensitivity reaction to pathogens like tuberculosis or chlamydia. In dermatology, it can refer to similar raised spots on the skin.