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Lymphatic System
Components
| Question | Answer |
|---|---|
| The Lymphatic System assists which other systems? | Circulatory System, Digestive System |
| What are the main functions of the Lymphatic Systems? | 1. production/distribution of Lymphocytes; 2. RETURN of lost Lymph --> Bloodstream |
| What is Lymph? | reabsorbed Tissue Fluid |
| What is Lymph composed of? | similar to Plasma but LESS Protein - may contain Lymphocytes, Platelets, Fat Globules |
| What is the composition of Lymph Capillaries? | BLIND, Simple Squamous Epithelium |
| Where are Lymph Capillaries located? | throughout body EXCEPT: CNS, Epidermis, Cartilage |
| What are Lacteals? | Special Lymph Capillaries which absorb Dietary Fat (chyle) |
| Where are Lacteals located? | SMALL Intestine |
| Why aren't there Lymph Capillaries in the CNS? | CNS get its fluid from CSF |
| What color is Lymph? | usually Clear - from Lacteals = Milky |
| What are Lymph Vessels? | a merging of Lymph Capillaries |
| What do Lymph Vessels look like? | very Thin; contain Many Valves |
| Where are Lymph Vessels located? | travel between Connective Tissue --> Skeletal Muscles |
| How does Skeletal Muscle assist Lymph Vessels? | Skeletal Muscle contracts --> MESSAGES Lymph Vessels --> move Fluid |
| What are components of the Lymphatic System? | 1. Lymph; 2. Lymph Capillaries; 3. Lymph Vessels; 4. Lymph Nodes |
| What is the function of Lymph Vessels of the Thoracic Duct? | drains entire LEFT and LOWER RIGHT side of body |
| What is the path of the Thoracic Duct? | enters Bloodstream at junction of LEFT Subclavian/Jugular Vein |
| What is the path of the RIGHT Lymphatic Duct? | enters Bloodstream at the junction of the RIGHT Subclavian/Jugular Vein |
| What is the function of the Lymph Vessels of the RIGHT Lymphatic Duct? | drains UPPER RIGHT side only |
| What color Lymph does the Thoracic Duct create and why? | Milky - because Lymph passes abdominal and GI tracts |
| What color Lymph does the RIGHT Lymphatic Duct produce? | Clear |
| What do Lymph Nodes look like? | Small, Kidney Bean shaped |
| What are Lymph Nodes? | Small Lymphoid Organs along Lymphatic Pathway |
| Where are Lymph Nodes located? | abundant in Cervical, Axillary, Inguinal regions |
| What are the functions of Lymph Nodes? | 1. contain Macrophages to FILTER Bacteria, Foreign Debris, and Cell Fragments; 2. produces Lymphocytes that add Antibodies to Lymph |
| What would a swollen Lymph Node indicate? | an Infection in that area |
| Why are there more Afferent Lymphatic Ducts (in) than Efferent Lymphatic Ducts (out)? | better Filtration |
Created by:
kristel387
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