Cardiovascular Anatomy----Structure of blood vessels Flashcards Preview

A&P II Exam 1 > Cardiovascular Anatomy----Structure of blood vessels > Flashcards

Flashcards in Cardiovascular Anatomy----Structure of blood vessels Deck (17)
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1
Q

Arteries and veins have ______________ layers

A

three

2
Q

Tunica ___________

(1) also called tunica _________________
(2) ______________________ layer of the blood vessel

A

adventitia
externa
outermost

3
Q

Tunica adventitia made of strong, flexible ___________ connective tissue helps hold vessels __________

A

fibrous

open

4
Q

Tunica adventitia prevents ________________ of vessels during body movements in veins, _________________ layer; in arteries, thinner than middle layer

A

tearing

thickest

5
Q

Tunica ______ is the ______________ layer

A

media

middle

6
Q

Tunica media made of ________________ muscle tissue sandwiched together with a layer of _________________ connective tissue

A

smooth

elastic

7
Q

Tunica media permits changes in blood vessel _______________________

A

diameter

8
Q

the artery tunica media is _________________ than that of the vein

A

thicker

9
Q

tunica ________________

____________________ layer

A

intima

intermost

10
Q

Tunica intima made of __________________________

in arteries, it is a completely smooth _______________

A

endothelium

lining

11
Q

Tunica intima in veins, it forms _________________ valves

A

semilunar

12
Q

What are the three layers of blood vessels?

A

Tunica adventitia -External(outermost)
Tunica media - middle
Tunica intima - intermost

13
Q

What is the outer layer of a blood vessel?

A

Tunica adventitia

14
Q

What is the intermost layer of a blood vessel?

A

Tunica intima

15
Q

What is the middle layer of a blood vessel?

A

Tunica media

16
Q

Capillaries have only the tunica _______________layer

A

intima

17
Q

the endothelium of the capillary wall is thin enough to allow the exchange of important substances between the ____________ and the ___________ ____________

A
plasma(blood side)
intersititial fluid (tissue side)