LYMPHATIC SYSTEM LAB REVIEWER.docx - Anatomy Physiology Laboratory Reviewer LYMPHATIC DIFFUSE LYMPHATIC TISSUES AND LYMPHATIC NODULES

LYMPHATIC SYSTEM LAB REVIEWER.docx - Anatomy Physiology...

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Anatomy & Physiology Laboratory Reviewer LYMPHATIC DIFFUSE LYMPHATIC TISSUES AND LYMPHATIC NODULES MALT (Mucosa-associated lymphatic tissue) Accumulation of lymphatic tissue that are not enclosed by a capsule Alimentary canal, respiratory passages and genitourinary tract LYMPHATIC NODULES Localized concentrations of lymphocytes Defined but not encapsulated Location: tonsils, ileum (Payer’s Patches), vermiform appendix Primary nodule - small lymphocytes Secondary nodule – Germinal center and mantle zone or corona THYMUS Bilobed organ located in the superior mediastinum, anterior to the heart and great vessels STRUCTURE: Capsule Trabeculae Thymic lobules
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Unformatted text preview: Cortex Thymocyres Epithelioreticular cells (I, II, III) Medulla Hassal’s corpuscles Epithelioreticular cells (I, IV, V, VI) Anatomy & Physiology Laboratory Reviewer LYMPHATIC Anatomy & Physiology Laboratory Reviewer LYMPHATIC Lymphatic System -LR30 1. Tonsil Lining epithelium Lymphatic nodules Tonsillar crypts 2. Lymph nodes Capsule Trabeculae Cortex (lymphatic nodules, germinal centers, mantle zone) 3. Spleen Capsule Trabeculae White pulp (splenic nodule) – central artery, germinal center, marginal area) Red pulp – splenic corals, splenic sinuses 4. Ileum Peyer’s Patches...
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