Definitions:

1. 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. NOUN
   • Labrocytes are typically polygonal in shape and have a large nucleus.
2. Another term for a mast cell, a type of immune cell found in connective tissues that plays a crucial role in allergic reactions and inflammation. NOUN
   • The cytoplast of Labrocytes is filled with vesicles that contain secretory products.

Synonyms:

• mast cell