Create an account
What kind of endothelial connections do they have?
Loose endothelial connections; these are very permeable compared to regular capillaries
Lymph capillaries collect that fluid that is NOT captured by the
Venous end of the capillaries (about 3L a day) and returns it to the venous circulation
What is the fluid called that the lymph capillaries collect because it is not captured by the venous end of the capillaries?
What kind of valves do the lymph vessels contain?
Valves to facilitate 'one way' movement of lymph back into general circulation
What does the thoracic duct drain?
The legs, abdomen, left half of the thorax, left arm and left half of the head
What is the function of the right lymphatic duct?
It returns lymph from the right half of the thorax, the right half of the head and the right arm
*What kind of lymphocytes does the deeper medulla of lymph nodes have?
Both B and T-cell lymphocytes
Where are large clusters of lymph nodes found?
Close to the surface in cervical (head and neck), axillary, cubital and inguinal (groin) areas of the body
What happens when a foreign cell invades a node?
Lymphocytes undergo rapid proliferation at the germinal centers to deal with them
What does the spleen act as a reservoir for, and what does it store?
Reservoir for blood and stores platelets
When does the thymus increase/decrease in size?
Increases in size until puberty then decreases until unnoticeable in adults
What does the thymus-blood barrier do?
Prevents pathogens from invading the thymus gland and prematurely stimulating T-cell lymphocytes
What will happen if you remove an infant's thymus
They will die because they never develop an immune system
STimulates blood barrier to create t-lymphocytes which recognize foreign antigens on the surface of invading cells
Please allow access to your computer’s microphone to use Voice Recording.
Having trouble? Click here for help.
We can’t access your microphone!
Click the icon above to update your browser permissions and try again
Reload the page to try again!Reload
Press Cmd-0 to reset your zoom
Press Ctrl-0 to reset your zoom
It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.
Please upgrade Flash or install Chrome
to use Voice Recording.
For more help, see our troubleshooting page.
Your microphone is muted
For help fixing this issue, see this FAQ.
Star this term
You can study starred terms together