e/Median alveolar cyst

Information
has gloss	eng: The median alveolar cyst is a rare cyst, occurring in the bony alveolus between the maxillary central incisors. It is distinguished from a periapical cyst by the fact that adjacent teeth are vital.
lexicalization	eng: Median alveolar cyst
instance of	(noun) a closed sac that develops abnormally in some body structure cyst