PSYC 235 Chapter Notes - Chapter 3: White Blood Cell, Antibody, T Helper Cell
11 Nov 2016
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Lack of sleep, medicine, disease, etc. all affect the immune system. The relation between stress and increased risk of infection is established. This relation is mediated by the immune system, whose purpose is to identify and eliminate foreign materials from the body. The affect of stress on the immune system function is rapid (not to be confused with chronic) Humoral branch (in blood and other bodily fluids) Cellular branch (protects against viral and parasitic infections; white blood cells (leukocytes) are the primary agent) Lymphocytes: b cells operate within the humoral part of the immune system, release molecules that seek out antigens in the blood and other bodily fluids so as to neutralize them, and produce highly specific molecules called immunoglobulins. T cells operate in the cellular branch of the immune system and do not produce antibodies. Autoi(cid:373)(cid:373)u(cid:374)e disease: a disease i(cid:374) (cid:449)hi(cid:272)h the (cid:271)ody produ(cid:272)es a(cid:374)ti(cid:271)odies that atta(cid:272)k it"s own tissues; 80% of those with this are women.
