Pterygium
Of conjunctiva.
Either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula.
This concept's ID is @1~29062
Of conjunctiva.
Either of two thickened triangular layers of conjunctiva extending from the nasal edge of the eye to the cornea; it arises from irritation of the pinguecula.
This concept's ID is @1~29062