性学院 发表于 2025-3-23 10:55:01
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Immunochemistrycluding macromolecular proteins, synthetic polypeptides, lipoproteins, polysaccharides, glycoproteins, lipopolysaccharides, nucleic acids, and nucleoproteins can be antigens (Kabat, 1956; Race & Sanger, 1975; Rapport & Graf, 1969; Stollar, 1973). The feature of the antigen molecule which influences逢迎春日 发表于 2025-3-24 11:46:11
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Specific Immune Responses system employs two basic lines of defense, humoral and cellular immunity. Humoral immunity is mediated by serum antibody produced by B cells, while cellular immunity is not mediated by antibody, but rather by cellular activity dependent upon T cells. In reality the immune response is rarely eitherTruculent 发表于 2025-3-24 21:39:39
Mucosal Immune Responsesainst the disease. This kind of protection was introduced from mideastern countries through diplomatic channels during the enlightened times of the 18th century (Silverstein & Miller, 1981). Undoubtedly, this procedure caused more sickness than protection.gregarious 发表于 2025-3-25 00:05:02
Tonsillitis and Adenoiditisrganisms or noxious substances. The nasopharynx constitutes the portal of entry of all inhaled and ingested agents and is endowed with abundant immunocompetent lymphoid tissue. Thus, because of its intimate contact with the external environment and its immunologic potential, the tonsillar lymphoid t