Upper Back: Angiology

Question 1

Name the arteries the supply the paraspinal arteries.

Answer 1

• vertebral artery
• deep cervical artery
• ascending cervical artery
• posterior intercostal artery
• subcostal artery
• lumbar artery
• iliolumbar division of the posterior division of the internal iliac artery
• lateral sacral artery of the posterior division of the internal iliac artery

Question 2

Name the paraspinal arteries.

Answer 2

• dorsal branches
• equatorial branches
• periosteal branches
• spinal branches

* anterior vertebral canal branch

* posterior vertebral canal branch

* anterior radicular artery

* posterior radicular artery

* anterior segmental medullary artery

* posterior segmental medullary artery

* great anterior segmental medullary artery

Question 3

What do the equatorial branches supply?

Answer 3

vertebrae

Question 4

What do the periosteal branches supply?

Answer 4

periosteum

Question 5

What does the dorsal branch supply?

Answer 5

spinous processes

*branches only from the arteries of the descending aorta

Question 6

What does the anterior vertebral branch provide/supply?

Answer 6

gives rise to the nutrient arteries to provide nutrients

Question 7

What does the posterior vertebral canal branch supply?

Answer 7

vertebral arches

Question 8

What does the anterior radicular artery supply?

Answer 8

ventral roots of the spinal nerves

Question 9

What does the posterior radicular artery supply?

Answer 9

dorsal roots of spinal nerves

Question 10

What do the anterior and posterior segmental medullary arteres supply?

Answer 10

feed into the anterior and posterior spinal arteries

Question 11

What does the great anterior segmental medullary artery do?

Answer 11

reinforces circulation to 2/3 of the spinal cord

*more common the left side

*only branches from lumbar artery of the abdominal artery of the descending aorta

Question 12

When does the left subclavian artery become the axillary artery?

Answer 12

after passing the 1st rib

Question 13

What does the arch of the aorta branch into

Answer 13

• brachiocephalic trunk*
• left common carotid artery*
• left subclavian artery*

axillary artery*

(*) = branches more

Question 14

What does the vertebral artery generally supply?

Answer 14

brain

Question 15

What does the dorsal scapular artery supply?

Answer 15

rhomboid major m., rhomboid minor m., levator scapulae m.

Question 16

What does the transverse cervical artery supply?

Answer 16

trapezius m.

Question 17

What comes from the descending aorta?

Answer 17

• thoracic

posterior intercostal artery

subcostal artery

• abdominal

lumbar artery

common iliac artery*

(*) = branches more