NATS 1670 Lecture Notes - Lecture 6: Eosinophil, Bone Marrow, Macrophage
21 Apr 2016
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Document Summary
Immune system is made of many parts and body tissues: primary lymphoid organs, secondary. Lymph nodes: more mature cells, can be found all over body, some lymph nodes are more developed e. g. tonsils. Person with hiv the peyer"s patches are often destroyed right after infection. In female with breast cancer, lymph nodes in arm pit are checked to see if cancer cells have spread if spread, more likely to need chemo, otherwise, just radiation. Mucosal and submucosal tissue of digestive and respiratory tracts. Haematopoietic stem cells the cells of bone marrow can differentiate into several types of cells: lymphoid cells (adaptive. Helper cytotoxic suppressors (the managers of the adoptive immunity, they suppress the immune system from attacking cells that we need. When they don"t work, you get automimmune disease) Kill infected and cancerous cells: myeloid cells (innate nonspecific immunity) Cell-mediated: complement, interferon, neutrophils, macrophages, natural killer (nk) cells. Cell-mediated: b cells secrete antibodies, cytotoxic t cells kill transformed cells.
