Shared Flashcard Set

Details

Blood Vessels (Ch. 20)
N/A
28
Anatomy
Undergraduate 2
11/07/2011

Additional Anatomy Flashcards

 


 

Cards

Term
Who discovered blood?
Definition
Galen
Term
What are the three layers of blood vessels?
Definition
Tunica intima, Tunica media, and Tunica externa
Term
Lumen is larger in ____
Definition
veins
Term
Arteries have thicker ____ while veins have thicker _____
Definition
Tunica media;Tunica externa
Term
What part of a blood vessel controls constriction?
Definition
Tunica media
Term
What is the endothelium layer of a blood vessel?
Definition
Tunica intima
Term
What are the two functions of the Tunica media?
Definition
vasodialation and vasoconstriction
Term
What layer of the blood vessels are made of CT?
Definition
Tunica externa
Term
What are the three types of blood vessels?
Definition
Arteries, capillaries, veins
Term
Arteries carry blood ____ the heart
Definition
away from
Term
What are the three types of arteries?
Definition
Elastic, Muscular, and arterioles
Term
What are the largest arteries near the heart?
Definition
elastic arteries; aorta and its major branches
Term
muscular arteries have a ___ ____ tunica media
Definition
VERY thick
Term
Describe capillaries
Definition
tube of simple squamous epithelium surrounded by a basement membrane
Term
What two organs receive constant blood flow?
Definition
brain and heart
Term
What are the functions of capillaries?
Definition
deliveer nutrients and remove wastes from tissues
Term
Define fenestrations
Definition
holes in endothelial cells
Term
Define inercellular clefts
Definition
gaps of unjoined membrane between adjacent endothelial cells; normally joined by tight junctions
Term
What are the three types of capillaries?
Definition
continuous, fenestrated, and sinusoidal
Term
What are the two components of fenestrated capillaries?
Definition
intercellular clefts and fenestrations
Term
Where can you find sinusoidal capillaries?
Definition
spleen and bone marrow
Term
___ % of blood is in the venous circulation at any given moment
Definition
65
Term
What two structures allow for venous blood to defy gravity?
Definition
valves and the skeletal muscle pump
Term
Where can you find most valves?
Definition
limbs
Term
What is the purpose of the valve?
Definition
to prevent backflow of blood
Term
Define bifurcation
Definition
branching
Term
The brachial vein joins with the ____ to form that axillary vein
Definition
basilic
Term
the cephalic vein joins with the ____ vein to form the _____
Definition
axillary vein; subclavian vein
Supporting users have an ad free experience!