The antibodies (immunoglobulins) secreted by activated B cells are glycoproteins composed of polypeptide (82% to 96%) and carbohydrate (4% to 18%). Immunoglobulin.
The complement system is an important effector of both the innate and adaptive immune responses. It consists of more than 25 plasma and cell-surface proteins.
Sneezing and itching during the early response to allergen provocation involve the nervous system. Unilateral intranasal antigen challenge experiments.
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