Papillitis is an inflammation of a papilla. Examples include: ...
(papilla + -itis)- inflammation of the optic papilla (disk).
(from the article `optic neuritis`) Optic neuritis may be centred in the optic disk, the point of exit of the nerve from the eye (papillitis), or it may be in the nerve shaft behind the ...
<ophthalmology> Inflammation of the optic papilla (disc). ... (18 Nov 1997) ... 
(pap″ĭ-li´tis) inflammation of a papilla, especially of the optic disk.
Type: Term Pronunciation: pap′i-lī′tis Definitions: 1. Optic neuritis with swelling of the optic disk. 2. Inflammation of the renal papilla.
papillitis 1. Inflammation of a papilla. 2. A form of optic neuritis involving the optic papilla (disk).