Overview of Lymphatics
The lymphatic system consists of?
Lymph, lymphatic vessels, and lymphatic organs
What is the purpose of lymphatic valves?
prevent backflow
Name each of the arteries and veins. Start with the biggest artery and end with the biggest vein.
Elastic artery, muscular artery, arteriole, continuous capillary (artery side), fenestrated capillary (venous side), venule, medium-sized vein, large vein.
Name the 3 branches from the brachiocephalic trunk. *Bonus for 100 pts* Name the two arteries that stem from the most medial branch.
Right common carotid, Right vertebral, right subclavian.
Bonus- Internal and external carotid artery
Name the 3 branches that stem from the brachiocephalic vein.
Internal jugular, vertebral, and external jugular
Name the primary lymphatic structure and the secondary lymphatic structure. *Bonus for 100 pts* Name the types of cells located in each.
Primary- Thymus gland
Secondary- lymph nodes and tonsils,
Bonus- lymphocytes or T, NK, and B cells
Name the two major ducts in the lymphatic system.
The thoracic duct and right lymphatic duct.
Name the three layers within a vessel. *Bonus for 100 pts* What layer depletes in the smaller arteries and veins? **Bonus for 50 MORE pts** Name the additional layer present only in the elastic artery.
Tunica Adventitia, Tunica Media, Tunica Intima. Bonus- tunica media, EXTRA bonus- INternal elastic layer.
Right subclavian -> right axillary -> ? -> right radial and right ulnar artery
Right brachial
What does the great saphenous vein carry blood into?
The external iliac
T/F the pressure in the lymphatic veins are higher than that of the veins.
False. lymph veins have lower pressure and higher permeability.
Where do the ducts connect to the venous system?
What is the main difference between fenestrated and continuous capillaries?
Where is the carotid sinus located?
Bifurcation of the internal and external carotid from the common carotid.
Where does the axillary vein transition into the right subclavian?
When it passes under the clavicle.
Name the three types of T cells. *bonus for 100 pts where are they derived from?*
Cytotoxic T cells, Regulatory T cells, and Memory T cells.
Bonus- thymus
Where are lacteals found? *Bonus for 100 pts* what is the name of the lymph in this region?
Small intestines. Bonus- Chyle
What is responsible for closing the valves in veins?
Skeletal muscle.
The basilar artery branches off from _ and leads to _ which is the _
Where does the internal thoracic and azygos drain into?
Superior vena cava
Name the two types of B cells. *bonus for 100 pts where are they derived from?*
Plasmocytes and Memory B cells
Bonus- bone-marrow derived
What is the "heart of the lymph"? *Bonus for 100 pts* where is it located?
Cisterna Chyli. Bonus- it is the dilated area prior to the thoracic duct in the abdomen
Name the structure formed from 4 arteries in the brain.
Circle of Willis or Cerebral arterial Circle
What artery does the fibular artery stem from?
Posterior tibal
What is the superior branch off of the basilic vein *Bonus for 200 pts* what is the inferior branch off of the basilic vein?
Superior- median cubital
Inferior- Median antebrachial