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Cervical neck axillary lumbar and inguinal thymus l

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Unformatted text preview: essels towards efferent vessels • Lymphoid follicle/nodule contains a germinal center where B ­lymphocytes proliferate • Can form clusters that are named after region they are in, ex. cervical (neck), axillary, lumbar and inguinal Thymus: L and R lobes found in anterior and superior mediastina • Up to 40 g, gradually replaced by connective tissue – disappears by age 25 ­30 • Function: maturation of T ­lymphocytes Spleen: oval shape, largest lymphatic organ of ~ 150g (size of fist), sits in L hypochondriac region • Close to ribs 9, 10 and 11 – fracture of ribs puts fragile spleen at risk because easily lacerated • Lateral (diaphragmatic) and medial (visceral, in touch with stomach, kidneys and adrenal gland) surfaces • Hillum – center of medial surface, where splenic vein, artery and lymphatic vessels, and nerves enter/exit ...
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