Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
42 Cards in this Set
- Front
- Back
|
Lymph capillaries allow what large particles to enter? |
Plasma protien, tissue debris, pathogens |
|
|
What is the function of the lymphatic system? |
Remove excess tissue fluid, filtration of lymph, protien transportation back to circulatory system |
|
|
Lymph capillaries have what kind of valves? |
Leaf valves |
|
|
Leaf valves allows things in but not |
Out |
|
|
How are lymph capillaries held open? |
Anchoring filaments |
|
|
How is lymph flow aided? |
Skeletal muscle contraction |
|
|
Lymph vessels follow what? |
Arteries and veins |
|
|
Lymph capillaries join to form |
Lymph vessels |
|
|
What is lymph? |
Lymph is fluid in lymphatic system |
|
|
Lymph capillaries pick up extra |
ECF (Extra cellular fluid) |
|
|
What does lymph contain? |
Proteins, tissue debris, and pathogens |
|
|
What kind of valve system? |
One way valve system |
|
|
Chyle |
Fats from the small instestine into the lymphatics gives creamy white color |
|
|
Where are lymph nodes located? |
Along course of lymph vessels |
|
|
Lymph nodes ________ lymph before it is returned to circulation via the thoracic duct |
Filter |
|
|
Lymph vessels ______ fluid from specific areas of the body |
Drain |
|
|
Cells in outer cortex? |
B cells |
|
|
Cells in inner cortex? |
T cells |
|
|
____________ can enter medulla and travel to other parts of the body |
Activated cells |
|
|
Hyperplasia |
Enlargement due to cell division |
|
|
What causes lymph nodes to enlarge? |
Infection of area drained by that node, neoplasia |
|
|
What's the largest lymphoid organ? |
Spleen |
|
|
The inside of the spleen is divided into? |
White pulp and red pulp |
|
|
What is white pulp? |
Lymphoid tissue |
|
|
What cells does the white pulp contain? |
T and B cells |
|
|
White pulp function? |
Macrophage- cleans up blood and pathogens |
|
|
Red pulp consists of? |
Blood vessels, macrophages, and sinuses for blood storage |
|
|
Function of red pulp? |
Platelet storage, destruction and recycling of old red blood cells |
|
|
The spleen is encased in? |
A thick connective tissue capsule |
|
|
Do red and white pulp separate into regions? |
No they intermingle and are distributed through the spleen |
|
|
Spleen function? |
Lymphoid tissue, rbc and iron storage, blood filtering |
|
|
Splenectomy is what? |
Surgical removal of the spleen |
|
|
Is splenectomy life threatening? |
Not life threatening |
|
|
Why are splenectomy's performed? |
Performed due to splenic rupture or neoplasia |
|
|
What happens after the splenectomy? |
After removal macrophages and other lymphoid tissue handle the lymph alone |
|
|
Where is the thymus located? |
Located in the thoracic cavity |
|
|
What organ is present in young and shrinks with age? |
Thymus |
|
|
What lymphatic tissue are mature lymphocytes and are most prominent in young animals? |
Tonsils |
|
|
Gut associated lymphoid tissue? (Ex: peyer's patches in small intestine wall) |
Galt |
|
|
Where do T cells mature? |
Bone marrow |
|
|
Select correct T cells |
Epithelial cells |
|
|
Eats bad T cells |
Macrophages |
