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2.03 Remember the structures of the lymphatic system

2.03 Remember the structures of the lymphatic system. 2.03 Remember the structures of the lymphatic system. What are the structures of the lymphatic system?. Structures of the lymphatic system. Lymph fluid. Lymph vessels. Lymph nodes. Lymph glands.

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2.03 Remember the structures of the lymphatic system

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  1. 2.03 Remember the structures of the lymphatic system

  2. 2.03 Remember the structures of the lymphatic system What are the structures of the lymphatic system? 2.03 Remember the stuctures of the lymphatic system

  3. Structures of the lymphatic system • Lymph fluid • Lymph vessels • Lymph nodes • Lymph glands 2.03 Remember the stuctures of the lymphatic system

  4. Structures of the lymphatic system • Lymph fluid • straw-colored • Clear, similar to plasma • Also called interstitial fluid • Made up of water, lymphocytes, some granulocytes, oxygen, digested nutrients, hormones, salts, carbon dioxide, and urea 2.03 Remember the stuctures of the lymphatic system

  5. Structures of the lymphatic system • Lymph vessels • parallel to blood vessels (veins) • transports lymph, flows in one direction. • Relies on skeletal muscle contractions and breathing movements to move fluid. 2.03 Remember the stuctures of the lymphatic system

  6. Structures of the lymphatic system Lymph vessels parallel to blood vessels 2.03 Remember the stuctures of the lymphatic system

  7. Structures of the lymphatic system • Lymph vessels • Lacteals • Specialized lymph vessels in the villi of the small intestines • Absorbs digested fats and transports them to the circulatory system 2.03 Remember the stuctures of the lymphatic system

  8. Structures of the lymphatic system • Lymph vessels cont’d. • Lymphatic ducts are: • Large lymph vessels • 1. Thoracic duct • Also called the left lymphatic duct • receives lymph from the left side as pictured • 2. Right lymphatic duct • Lymph flows only in one direction 2.03 Remember the stuctures of the lymphatic system

  9. Structures of the lymphatic system • Lymph nodes • tiny, oval-shaped structures • range in size from a pinhead to an almond • May be located alone or in groups at various places along the lymph vessels Lymph node 2.03 Remember the stuctures of the lymphatic system

  10. Structures of the Lymphatic System • Lymph nodes • Where are lymph nodes located? • What happens when you get sick? • What can be spread by the lymph system? • Why are there so many? 2.03 Remember the stuctures of the lymphatic system

  11. Structures of the Lymphatic System • Tonsils-3 pairs • masses of lymphatic tissue, produces lymphocytes and filters bacteria • Palatine tonsils • sides of throat (soft palate) • Adenoids (Pharyngeal) • upper throat • Lingual tonsils • back of tongue 2.03 Remember the stuctures of the lymphatic system

  12. TonsillitisInfected andenlarged tonsilsSymptoms- difficulty swallowing, sore throat, elevated temperature (fever), chills.Surgery done in extreme casesTonsils play an extremely important role in the line of defense against infection. Tonsils get smaller as a person gets older. 2.03 Remember the stuctures of the lymphatic system

  13. Tonsillitis and Strep 2.03 Remember the stuctures of the lymphatic system

  14. Structures of the lymphatic system Say “aahhh” Why this is helpful? 2.03 Remember the stuctures of the lymphatic system

  15. Structures of the lymphatic system • Spleen • Sac-like mass • Located in the LUQ, just beneath Diaphragm. • Forms Lymphocytes and Monocytes. Also stores large amts. Of RBC’s. • Releases RBC’s if excessive bleeding occurs 2.03 Remember the stuctures of the lymphatic system

  16. Structures of the lymphatic system Thymus gland • located in the upper, anterior chest, above the heart. • Produces T-Lymphocytes • Also an endocrine gland- secretes Thymosin, stimulates production of Lymphoid cells 2.03 Remember the stuctures of the lymphatic system

  17. Structures of the lymphatic system Thymus gland What is unique about the thymus gland? What happens to it? What takes its place? 2.03 Remember the stuctures of the lymphatic system

  18. 2.03 Remember the structures of the lymphatic system What are the structures of the lymphatic system? 2.03 Remember the stuctures of the lymphatic system

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