BIOL 130 : Exam 2 Semester 2 LYMPHATIC AND IMMUNE SYSTEM
17 May 2020
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Returnsleakedfluidsfrombvbacktoblood structuralbasisofimm system phagocyticcells lymphocytes structuresinclude spleen thymus tonsils lymphnodes appendix otherlymphoidtissue. Lymph fluidinsidevessels structures organslymph passesthrough lymphnode cleaning as passingthrough. Source formedfrominterstitial fluid collectedthroughtiny lymph capillaries morevalves anatomical distribution varies. Systema chute collecting similarto reins skeletalmm contraction valves pressure changesduringbreathing. Cellsfoundin lymphaticsystem lymphocytes bt t cells plasma cells macrophages engulf invaders dendritict reticularcells helpproduce surrounding ct. Mostlymadeof reticular connectivetissue a proper loose connectivetissue special tissues houses these cells. Plasma cells typeof b cell that produces antibodies both made in bone marrow migrateto lymphatic system to mature recognize invaders by antigens. Antibody moleculelabel on rbc carbohydrate separatemoleculecreatedbyimmune system that attacks somethingforeign. Diffuselymphoidtissue loosecell arrangment of lymphoid cells foundin almostallorgans. Lymphoid follicles lymphoidnodules partsof majororgans tightlypacked ex lymphnode solid reticularfibershelpformstructure. Lymph nodes containlymphoidnoduletissue embeded in ct in clustersalong lymphaticvessels near bodysurface in inguinal axillary cervicalregions of body swollen sick. Outer 7 cortexfollicles w germinal center b cellmaking. Inner medullar center containsmanytypes ofcells plasma t b immune.
