HLSC 2F95 Lecture Notes - Lecture 5: Lymph Node, Thymosin, Circulatory System
18 Jan 2016
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Document Summary
The lymphatic system is intimately associated with the. The lymphatic system helps to regulate tissue fluid volume. The immunocomponet cells of the lymphatic system are a part of. The lymphatic system is structured to encounter ags & the immune system pathogens. Direct exposure to ags in tissue fluids in which they reside. Exposure of blood ags to lymphocytes: immunologically competent cells, abs. Phagocytosis (removal of a abnormal blood cells and components: microorganisms, rbc"s, wbc"s, platelets. T cells 80% (thymus dependant: respnsible for regulation and coordination of immune reponse. Nk cells 5-10 % (natural killer: phagocytosis/ production and secretion of antibodies, policing of perpherial tiisue/ immunological survelliance, pluripotential. Provision of extensive surface area for air blood gas exchange. Create inthoractic pressure by increasing: anterior-posterior, lateral & vertical diameters & volume. Regrading the trachea which of the following statements is incorrect: it contains no mucous cells (incorrect) An organ that act like a filter: lymph node, tonsil, cisterna chili, thymus.
