1. Unit 12: Lymphatic System

2. Unit 12: Lymphatic System
Function:
Collects and transports interstitial fluids (extracellular) which helps rid the body of toxins, waste and other unwanted materials into the blood to then be filtered.
Prevents a build up of fluids surrounding cells in tissues

3. Unit 12: Lymphatic System
Structures and Functions:
Lymph: Colorless liquid made of Water, Proteins, and Lymphocytes
Lymphatic Vessels: Collect Lymph and return to it to veins. Uses Peristalsis, One-Way Valves, and Muscle Contraction to circulate Lymph
Lymph Nodes: Filters the Lymph and removes impurities such as carbon, cancer cells, pathogens and dead blood cells; also produces Leukocytes and Antibodies
Spleen: Filters blood for the Lymphatic System and stores Lymphocytes and Macrophages to kill pathogens in blood.
Liver: Produces Lymph

4. Unit 12: Lymphatic System Disorders
Splenomegaly – Swollen spleen due to infection.
No symptoms? , pain, fatigue, anemia, frequent infections.
Cause:? Epstein-Barr Virus (Mono)

6. Unit 12: Lymphatic System Disorders
Tonsillitis – Swollen tonsils due to draining bacterial infection in pharynx.
(Tonsils are made of lymphatic tissue)

7. Unit 12: Lymphatic System Disorders
Lymphedema – Blockage, radiation scarring, or cancerous lymph vessels/nodes cause tissue swelling.

9. Unit 12: Lymphatic System Disorders
Filariasis (Elephantiasis) – Tropical parasitic worms invade the lymph nodes and block them.

13. Lymphoma – Cancer of the lymphatic system.
Unit 12: Lymphatic System Disorders
Lymphoma – Cancer of the lymphatic system.