Term
| What are the 3 functions of the lymphatic system? |
|
Definition
1. Protection from foreign invaders
2. Picks up lost blood fluid
3. Picks up fat soluble materials before they go in blood |
|
|
Term
| The lymphatic tubules get ______ closer to the heart and ______ further away from the heart. |
|
Definition
|
|
Term
| What is the smallest tube in the lymphatic system? |
|
Definition
|
|
Term
| Describe the structure of the lymphatic capillaries. |
|
Definition
| Dead end tubes and comprised of simple squamous epithelium. |
|
|
Term
| What is the function of the lymphatic capillaries? |
|
Definition
| Picks up fluid that was "kicked" out of circulatory system. |
|
|
Term
|
Definition
| Fluid found in the lymph capillaries and is very similar to blood plasma except that it doesn't possess normal body cells; it contains abnormal body cells. |
|
|
Term
| what is the purpose of the lymph vessels containing valves? |
|
Definition
| Keeps lymph moving in one direction. |
|
|
Term
| Lymph vessels converge to form _____ |
|
Definition
|
|
Term
| What is the function of lymph trunks? |
|
Definition
|
|
Term
| The lumbar trunk collects lymph in ______ |
|
Definition
|
|
Term
| The intestinal trunk collect lymph in ______ region. |
|
Definition
|
|
Term
| The thoracic duct/left lymphatic duct connects with what 3 trunks and then goes where? |
|
Definition
| Left jugular trunk, left subclavian trunk, left bronchiomediastinal trunk and connects to the left subclavian vein. |
|
|
Term
| The thoracic duct/left lymphatic duct function is what? |
|
Definition
| Transports lymph from the whole left side of body and right side lower extremities and right side abdominal region. |
|
|
Term
| What function does the right lymphatic duct have? |
|
Definition
| Transports lymph from right upper extremities. |
|
|
Term
| What does the lymphatic system do? |
|
Definition
| Takes fluid lost from the circulatory system and takes it back to the circulatory system. "recycling center" |
|
|
Term
| What is an afferent lymphatic vessel? |
|
Definition
| Brings lymph into the lymph node. |
|
|
Term
| What is an efferent lymph vessel? |
|
Definition
| Brings lymph away from lymph node. |
|
|
Term
| What does the lymph node do? |
|
Definition
| Cleans the lymph before it gets back to the circulatory system. |
|
|
Term
| What is the difference between a lymph node and lymph nodule? |
|
Definition
| Lymph nodes have a capsule. Lymph nodules do not. |
|
|
Term
| Tonsils are what kind of lymph structure? |
|
Definition
|
|
Term
|
Definition
|
|
Term
| What cells mature in the thymus gland? |
|
Definition
|
|
Term
| What is the function of the thymus gland? |
|
Definition
| Teaches the t-cells what to attack and not to attack. |
|
|
Term
| What happens if the t-cell doesn't learn properly? Why? |
|
Definition
| It gets destroyed. It prevents autoimmune diseases. |
|
|
Term
| Why does your thymus gland shrink as age progresses? |
|
Definition
| Because when you are an infant your being introduced to all sorts of pathogens. So the thymus gland needs to learn these pathogens. Midlife you've already encountered almost all the pathogens your ever going to encounter. So it's not absolutely necessary to keep the thymus big. |
|
|
Term
| Where is the spleen located? |
|
Definition
| Upper left quadrant of the abdomen between the rib cage and stomach. |
|
|
Term
| What is the spleen's function? |
|
Definition
| Filter blood, removes old, worn-out RBC's; also a blood resevoir, in times of need spleen contracts and expels blood to the circulatory system. |
|
|
Term
| Why is it dangerous if your spleen bursts? |
|
Definition
| B.c it's a blood resevoir you would die from internal bleeding. |
|
|
