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.
Merocrine glands cells secrete their substances by exocytosis (e.g. mucous and serous glands). Also called eccrine. e.g. max sweat gland of humans, goblet cells, salivary gland, tear gland, intestinal glands. The type of secretory product of exocrine glands may also be one of three categories: