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Principal Organs of the Lymphatic System 10 -2 -3 5

Principal Organs of the Lymphatic System 10 -2 -3 5

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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The image titled "Principal Organs of the Lymphatic System" is a detailed anatomical diagram of the human lymphatic system. It illustrates the structure and location of key lymphatic organs and vessels throughout the body. Each organ is numbered and labeled accordingly: 1. **Palatine Tonsil** - Located in the throat, part of the immune system, it helps to protect against inhaled or ingested pathogens. 2. **Right Lymphatic Duct** - This duct drains lymph fluid from the right upper limb, right side of the thorax, and right halves of the head and neck. 3. **Thoracic Duct** - The largest lymphatic vessel in the body, responsible for transporting lymphatic fluid back into the circulatory system, draining into the left subclavian vein and collecting from the majority of the body. 4. **Lymph Nodes** - These small, bean-shaped structures are distributed throughout the lymphatic system and serve as filters for harmful substances, including bacteria and cancer cells. 5. **Spleen** - Located in the upper left abdomen, the spleen filters blood, recycles old red blood cells, and helps fight certain kinds of bacteria. 6. **Lymphatic Vessels** - These vessels transport lymph fluid throughout the body, carrying nutrients and waste. 7. **Peyer’s Patches** - These are organized lymphoid nodules found in the intestine, important for the immune surveillance of intestinal bacteria. 8. **Lymphatic Vessels** (in limbs) - Similar to other regions, these vessels in the limbs function in transporting lymph fluid. 9. **Thymus Gland** - Located in the chest, this gland is vital for the development of T-lymphocytes or T-cells, crucial components of the adaptive immune system. 10. **Left Subclavian Vein** - This vein is involved in the return of lymph to the bloodstream, where the lymph from the thoracic duct empties. This diagram effectively showcases the interconnected network of the lymphatic system, highlighting its critical role in fluid balance and immune defense.
Transcribed Image Text:The image titled "Principal Organs of the Lymphatic System" is a detailed anatomical diagram of the human lymphatic system. It illustrates the structure and location of key lymphatic organs and vessels throughout the body. Each organ is numbered and labeled accordingly: 1. **Palatine Tonsil** - Located in the throat, part of the immune system, it helps to protect against inhaled or ingested pathogens. 2. **Right Lymphatic Duct** - This duct drains lymph fluid from the right upper limb, right side of the thorax, and right halves of the head and neck. 3. **Thoracic Duct** - The largest lymphatic vessel in the body, responsible for transporting lymphatic fluid back into the circulatory system, draining into the left subclavian vein and collecting from the majority of the body. 4. **Lymph Nodes** - These small, bean-shaped structures are distributed throughout the lymphatic system and serve as filters for harmful substances, including bacteria and cancer cells. 5. **Spleen** - Located in the upper left abdomen, the spleen filters blood, recycles old red blood cells, and helps fight certain kinds of bacteria. 6. **Lymphatic Vessels** - These vessels transport lymph fluid throughout the body, carrying nutrients and waste. 7. **Peyer’s Patches** - These are organized lymphoid nodules found in the intestine, important for the immune surveillance of intestinal bacteria. 8. **Lymphatic Vessels** (in limbs) - Similar to other regions, these vessels in the limbs function in transporting lymph fluid. 9. **Thymus Gland** - Located in the chest, this gland is vital for the development of T-lymphocytes or T-cells, crucial components of the adaptive immune system. 10. **Left Subclavian Vein** - This vein is involved in the return of lymph to the bloodstream, where the lymph from the thoracic duct empties. This diagram effectively showcases the interconnected network of the lymphatic system, highlighting its critical role in fluid balance and immune defense.
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