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Lymphatic System
Lymphatic System Study Sheet
| Question | Answer |
|---|---|
| Where are lymph capillaries located? | In the skin, subcutaneous tissues, and lining membranes of body cavities. |
| What do lymph capillaries form? | Lymph vessels |
| What do the larger lymph vessels unite to form? | Thoracic duct or right lymph duct |
| What are the components of the lymphatic system? | Capillaries, collecting vessels, ducts (trunk vessels), nodes (glands), and other organs, such as the tonsils, adenoids, spleen, thymus gland, and intestinal follicles |
| Name the lymphatic ducts. | Thoracic and right lymph ducts |
| The _____ duct drains lymph from _____________. | Thoracic; lower limbs, pelvis, abdomen, left half of thorax, left upper limbs, left half of head and neck |
| The ______ duct empties lymph into ______ . | Right Lymph; right brachiocephalic or right subclavian vein |
| Cervical nodes drain from? | Head and neck |
| Axillary nodes drain from? | Upper limbs, chest wall and breast |
| Tracheobronchial nodes drain from? | Lungs, bronchi, heart and mediastinal structures. |
| Aortic nodes drain from? | Testes, ovaries, uterus, uterine tubes, abdominal organs |
| Aortic nodes drain into? | Thoracic duct |
| Internal iliac nodes drain from? | Lymph vessels from pelvis, perineum, genitals, buttocks |
| External iliac nodes drain from? | Deep vessels of the lower limbs, inguinal nodes ad obdominal nodes |
| Name four other lymph organs. | Tonsils, Adenoids, Spleen, and Intestinal lymph follicles |
| What are the functions of the spleen? | Forms lymphocytes, moncytes and plasma cells; Destroys worn out RBCs (phagocytosis); Reservoir of RBCs |