IMM250H1 Lecture : Notes taken during lecture

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1 Mar 2011
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M idterm: 36 multiple choice questions; 2158 in the medical sciences building for the tutorial. Today"s material will not be on the midterm. Anatomical context where immune responses take place in body. movies are not testable material, just to fill in knowledge. Lymphocyte migration: lymphocytes always moving throughout body, need to patrol body for infection, tumour cell growth or antigen, anything dangerous or foreign to host. Lymphatic system network of conduits carrying lymph: plumbing , anything dangerous is put into lymph nodes, where they are. Interrogated : efferent going in, afferent where lymphocytes leave the nodes. Lymph interstitial fluid in tissues found between cells of body: enters lymphatic vessels to be sampled in the lymph nodes. systemic infection, for example, spleen is first point of contact with immune cells with pathogen: spleen filter agent for blood, lymph nodes filter agent for lymph.

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