labrocyte labridae • labroid · · · Info · Definitions · Synonyms · Characters · · labrocyte · · Text Latin · · Script 9 · · Length 3 · · Syllables Definitions · · · (noun) a large connective tissue cell that contains histamine and heparin and serotonin which are released in allergic reactions or in response to injury or inflammation. Synonyms: mast cell, mastocyte. · · Noun Definition 1 Synonyms · · · mast cell · · Synonym 1 mastocyte · · Synonym 2 Characters · · a latin small letter a U+0061 b latin small letter b U+0062 c latin small letter c U+0063 e latin small letter e U+0065 l latin small letter l U+006C o latin small letter o U+006F r latin small letter r U+0072 t latin small letter t U+0074 y latin small letter y U+0079