Scleritis (inflammation of sclera) is a strong indication of the underlying medical problem. It can be due to fungal, viral or parasitic infection, trauma, exposure to chemicals, poisonous gases or due to post-surgical complications.
Mast cells are granulated cells typically found in connective tissue. These cells mediate immune responses to foreign particles. In particular, they release large amounts of histamine and enzymes in response to antigen recognition.
Quick Answer. Basophils and mast cells secrete histamines and heparin. These immune cells share morphology and function, but basophils are found in the bloodstream while mast cells are embedded in tissues of the body. Keep Learning.