mucocele

As an adjective mucous

is pertaining to mucus.

As a noun mucocele is

(medicine) an enlargement or protrusion of the mucous membrane of the lachrymal passages, or dropsy of the lachrymal sac, dependent upon catarrhal inflammation of the latter.

As nouns the difference between protrusion and mucocele

is that protrusion is (uncountable) the act of protruding while mucocele is (medicine) an enlargement or protrusion of the mucous membrane of the lachrymal passages, or dropsy of the lachrymal sac, dependent upon catarrhal inflammation of the latter.

As nouns the difference between enlargement and mucocele

is that enlargement is the act of making something larger while mucocele is an enlargement or protrusion of the mucous membrane of the lachrymal passages, or dropsy of the lachrymal sac, dependent upon catarrhal inflammation of the latter.