2.03 Remember the structures of the lymphatic system

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 2.03 Remember the stuctures of the lymphatic system

5. The Lymphatic System What are the functions of the lymphatic system? 1. Recycles fluids lost from the cardiovascular system 2. Transports pathogens to the lymph nodes to be destroyed 3. Stores and manufactures some types of white blood cells. 4. Absorbs glycerol and fatty acids from food 2.04 Understand the functions and disorders of the lymphatic system

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

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

8. The Lymphatic System Lymphocyteproduction • What are lymphocytes? • What do they do? They help to form antibodies at site of inflammation. Protect against cancer. • What is their relevance to health? 2.04 Understand the functions and disorders of the lymphatic system

9. Structures of the lymphatic system • Lymph vessels • Lacteals • Specialized lymph vessels in the small intestines 2.03 Remember the stuctures of the lymphatic system

10. Structures of the lymphatic system Lymph vessels • Lymphatic ducts • Large lymph vessels • Thoracic duct • Also called the left lymphatic duct • receives lymph from the left side as pictured • Right lymphatic duct • Lymph flows only in one direction 2.03 Remember the stuctures of the lymphatic system

11. Structures of the lymphatic system • Lymph nodes • tiny, oval-shaped structures • range in size from a pinhead to an almond Lymph node 2.03 Remember the stuctures of the lymphatic system

12. Structures of the lymphatic system • Lymph nodes • Where are lymph nodes located? • Why are there so many? 2.03 Remember the stuctures of the lymphatic system

13. Structures of the lymphatic system • Tonsils • 3 pairs • masses of lymphatic tissue • Palatine tonsils • sides of throat • Adenoids • upper throat • Lingual tonsils • back of tongue 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 2.03 Remember the stuctures of the lymphatic system

16. Structures of the lymphatic system Thymus gland • located in the upper, anterior chest • also an endocrine gland 2.03 Remember the stuctures of the lymphatic system

17. Structures of the lymphatic system Thymus gland What is unique about the thymus gland? 2.03 Remember the stuctures of the lymphatic system

18. The Lymphatic System Immunity • What is immunity?- The body’s ability to resist pathogens • Think about how sneezing relates to immunity. 2.04 Understand the functions and disorders of the lymphatic system

19. The Lymphatic System Natural immunity- The immunity which you are born with. Discuss the body’s natural immune processes seen in this picture. 2.04 Understand the functions and disorders of the lymphatic system

20. The Lymphatic System Acquired immunity: Passive- Borrowed immunity. It is acquired artificially by injecting antibodies from the blood of other individuals or animals into a person’s body to protect him or her from a specific disease. • The immunity is immediate in effect, but lasts only 3-5 weeks • A baby has temporary passive immunity from it’s mother’s antibodies. • Discuss passive acquired immunity 2.04 Understand the functions and disorders of the lymphatic system

21. The Lymphatic System Acquired immunity: Active • Natural- The result of having had and recovered from a disease. Discuss Acquired immunity Active Natural 2.04 Understand the functions and disorders of the lymphatic system

22. The Lymphatic System Acquired immunity: Active Natural What is the relevance to health? 2.04 Understand the functions and disorders of the lymphatic system

23. The Lymphatic System Active Acquired immunity: Artificial • Comes from being inoculated with a vaccine, antigen, or toxoid. • Immunization • Discuss Acquired immunity Active Artificial 2.04 Understand the functions and disorders of the lymphatic system

24. The Lymphatic System Acquired immunity Active Artificial Should immunizations be required? Why or why not? 2.04 Understand the functions and disorders of the lymphatic system

25. The Lymphatic System Anaphylacticshock • What is it? An antigen-antibody reaction that stimulates the massive secretion of histamine. • What can trigger this? • What happens to these body systems? • Nervous system- headache, falling blood pressure, • Digestive system- vomiting, stomach cramps • Respiratory system-difficulty breathing • Integumentary system-facial swelling, hives • What is the treatment?-Adrenaline or an antihistamine 2.04 Understand the functions and disorders of the lymphatic system

26. The Lymphatic System AIDS How is it diagnosed? Blood test What do these terms mean? • HIV- Human immunodeficiency virus- the virus that causes AIDS • ARC- AIDS related complex- Only some symptoms are present such as enlarged lymph nodes, fatigue, night sweats, weight loss, and diarrhea • AIDS- The infection has taken over. All the symptoms of ARC, plus opportunistic infections 2.04 Understand the functions and disorders of the lymphatic system

27. The Lymphatic System AcquiredImmunodeficiencyDiseaseSyndrome (AIDS) How is it transmitted? Sexual contact with an infected partner, sharing needles, at birth from an infected mother. What is the incubation period? 10-12 years What are the symptoms? Flu like symptoms, Enlarged lymph glands, fatigue, weight loss, fevers, Sweats, persistent yeast infections, skin rashes. 2.04 Understand the functions and disorders of the lymphatic system

28. The Lymphatic System Cancer What is cancer? Mutated cells Who gets cancer? Anyone! Why is it included in the lymphatic system? 2.04 Understand the functions and disorders of the lymphatic system

29. The Lymphatic System Hodgkin’sdisease What is Hodgkin’s disease? A form of Cancer What are the symptoms? Enlarged lymph nodes. How is it treated? Chemotherapy, radiation Who is most likely to develop Hodgkin’s disease? People ages 5-35 years old 2.04 Understand the functions and disorders of the lymphatic system

30. The Lymphatic System Infectiousmononucleosis What is mononucleosis most often called? The kissing disease, mono. What causes it? Epstein Barr Virus How is it treated? Treat the symptoms 2.04 Understand the functions and disorders of the lymphatic system

31. The Lymphatic System Lupuserythematosus What is the classic symptom of lupus? skin rash What other symptoms might present? Painful joints, anemia, fatigue How is lupus managed? Very difficult to treat. Manage symptoms What is the prognosis? 2.04 Understand the functions and disorders of the lymphatic system

32. The Lymphatic System Lymphadenitis What is it? Lymphadenitis What are the symptoms? How is it treated? 2.04 Understand the functions and disorders of the lymphatic system

33. The Lymphatic System Photo used with written permission by the Mayo Clinic. Lymphedema What is it? Blockage of the lymph vessels What causes it? Removal of lymph nodes or enlargement of lymph nodes. How is it treated? Compression, Drainage, range of motion exercises 2.04 Understand the functions and disorders of the lymphatic system

34. The Lymphatic System Scleroderma What is it? Thickening of the skin and blood vessels What causes it? Autoimmune disorder-The immune system mistakenly attacks and destroys healthy body tissue. What are some complications of scleroderma?Loss of movement and shortness of breath (dyspnea) How is it treated? No specific treatment. Control the symptoms 2.04 Understand the functions and disorders of the lymphatic system

35. The Lymphatic System Tonsillitis What are the symptoms? Severe sore throat, fever, chills What are the usual treatments? Surgery in extreme cases. Why would you have your tonsils removed? 2.04 Understand the functions and disorders of the lymphatic system

36. 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

37. 2.04 Understand the functions and disorders of the lymphatic system What are the functions of the lymphatic system? What is the importance of the lymphatic system as it relates to immunity? How do you relate the body’s use of nutrients to the lymphatic system? What are some disorders of the lymphatic system and how are they treated? 2.04 Understand the functions and disorders of the lymphatic system