Venous System

Question 1

Venules

Answer 1

Microscopic version of veins that connects the capillaries to the veins
Possesses layers similar to veins, but thinner

Question 2

Veins

Answer 2

Always carry blood towards the heart

Bluish in color, having thin walls compared to healthy arteries

Question 3

Layers of the vein

Answer 3

Túnica íntima -inner layer
Tunica media -muscle layer
Tunica externa-outer layer

Question 4

Venae comitantes

Answer 4

Only in certain areas of the body
Will appear as 2 small veins
Find on either side of an artery

Example: distal end of the extremities

Question 5

Veins of head and neck

Answer 5

Dural sinuses
Venous channels between layers of dura matter in the brain
Internal and external jugular veins

Question 6

Veins of upper extremitys

Answer 6

Superficial
Deep
Brachocphalic veins
Superior vena cava

Question 7

Superficial

Answer 7

Cephalic veins, median cubical veins and Basilic veins

Question 8

Deep

Answer 8

Brachial veins

Question 9

Brachiocephalic veins

Answer 9

Formed by the union of the subclavian and internal jugular vein

Question 10

Superior vena cava

Answer 10

Blood is returned here from the thoracic wall, head, arms, by the right and left brachiocephalic veins and the azygos system

Question 11

Azygos Veins

Answer 11

Lower 8 intercostal veins

Veins from the right lung

Question 12

Accessory hemiazygos vein

Answer 12

Left hemithorax

Left intercostal veins

Question 13

Hemiazygos vein

Answer 13

Left lower intercostal veins

Left lumbar area