ANP 1105 Lecture Notes - Lecture 8: Macrophage, Monocyte, Genitourinary System
4 Apr 2016
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Return lymph (~ 3 l / day) Very permeable (proteins, cell debris, pathogens & cancer cells) Pathogens travel via lymphaics, detour through lymph nodes. Absent from cns, teeth, bones & bone marrow. Lacteals transport absorbed fat from small intesine to blood. Lymphaics in skin travel with supericial veins. Deep lymphaic vessels travel with deep arteries. Thoracic duct: each empies lymph into veins at juncion of internal jugular & subclavian veins on its own side of body. Lymph transport is slow and sporadic, blood low is coninuous. Lymph vessels can regrow & reconnect, unlike arteries & veins. Lymphedema: accumulaion of lymph luid in lower extremity. Aids: exercise (breathing, muscular contracion, elevaing the limb) T cells mediate & atack, b cells plasma cells. Part of larger lymphoid organ, or isolated aggregaion. Vary in shape & size, mostly bean shaped. Lymph convex side aferent lymphaic vessels subcapsular sinus smaller sinuses medullary sinuses concave side eferent vessels at hilum.
