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.
D) Lymphoid macrophages secrete antibodies into the blood. A) Lymphoid tissue is predominantly reticular connective tissue. (this multiple choice question has been scrambled). Lymphoid tissue that appears as a swelling of the mucosa in the oral cavity is called a(n).) T cells are the precursors of B cells. D) T cells are the only form of lymphocyte found in lymphoid tissue. A) B cells produce plasma cells, which secrete antibodies into the blood. (this multiple choice question has been scrambled). Select the correct statement about lymphoid tissue.