Back Angiology

Question 1

blood supply of deltoid M. and pectoral M.

Answer 1

thoracoacromial trunk

Question 2

blood supply of serratus anterior M.

Answer 2

lateral thoracic A.

Question 3

blood supply of rhomboid minor M.

Answer 3

dorsal scapular A (branch of subclavian), deep branch of transverse cervical A.

Question 4

blood supply of serratus posterior superior M.

Answer 4

posterior intercostal As.

Question 5

blood supply of serratus posterior inferior M.

Answer 5

posterior intercostal As.

Question 6

blood supply of latissimus dorsi M.

Answer 6

thoracodorsal A.

Question 7

blood supply of levator scapulae M.

Answer 7

dorsal scapular A.

Question 8

blood supply for all deep back Ms.

Answer 8

posterior intercostal As., lumbar As.

Question 9

blood supply for thyroid gland

Answer 9

inferior thyroid A.

Question 10

blood supply for supraspinatus and infraspinatus Ms.

Answer 10

suprascapular A.

Question 11

blood supply of levator scapulae and rhomboid Ms.

Answer 11

deep branch of transverse cervical A. or dorsal scapular A.

Question 12

blood supply of trapezius M.

Answer 12

superficial branch of transverse cervical A. (travels with accessory N.)

Question 13

blood supply of latissimus dorsi M.

Answer 13

thoracodorsal A.

Question 14

blood supply of pelvic viscera, gluteal region, and perineum

Answer 14

internal iliac A.

Question 15

blood supply of vertebrae, spinal cord, and surrounding structures

Answer 15

paraspinal As.

Question 16

what As. produce paraspinal As.

Answer 16

vertebral A.
ascending cervical A.
deep cervical A.
posterior intercostal A.
subcostal A.
lumbar As.
iliolumbar A.
lateral sacral A.
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Question 17

blood supply of spinous processes

Answer 17

dorsal branch of paraspinal A.
periosteal branch of paraspinal A.
nutrient branch of paraspinal A.

Question 18

blood supply of vertebral periosteum

Answer 18

periosteal branch of paraspinal A.

Question 19

blood supply of vertebrae

Answer 19

equatorial branch of paraspinal A.

Question 20

paraspinal A. spinal branches

Answer 20

(occur at every thoracic level)
anterior vertebral canal branch of paraspinal A.
posterior vertebral canal branch of paraspinal A.
anterior radicular A.
posterior radicular A.
anterior segmental medullary A.
posterior segmental medullary A.
great anterior segmental medullary A.
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Question 21

blood supply of marrow cavity of vertebral body

Answer 21

nutrient A. produced from anterior vertebral canal branch

Question 22

blood supply of vertebral arch

Answer 22

posterior vertebral canal branch

Question 23

blood supply of anterior (ventral) roots of spinal nerves

Answer 23

anterior radicular A.

Question 24

blood supply of posterior (dorsal) roots of spinal nerves

Answer 24

posterior radicular A.

Question 25

vertebral A. arises from

Answer 25

subclavian A.

Question 26

ascending cervical A. arises from

Answer 26

thyroid A.

Question 27

deep cervical A. arises from

Answer 27

costocervical trunk

Question 28

posterior intercostal A. arises from

Answer 28

descending aorta

Question 29

lumbar A. arises from

Answer 29

descending aorta

Question 30

iliolumbar A. arises from

Answer 30

internal iliac A.

Question 31

lateral sacral A. arises from

Answer 31

internal iliac A.

Question 32

branches of aorta

Answer 32

brachiocephalic trunk left common carotid A. left subclavian A. axillary A.

Question 33

branches of brachiocephalic trunk

Answer 33

right subclavian A. | right common carotid A.

Question 34

branches of left subclavian A.

Answer 34

``` vertebral A. internal thoracic A. thyrocervical trunk costocervical trunk dorsal scapular A. ```

Question 35

branches of vertebral A.

Answer 35

anterior spinal A. | posterior spinal A.

Question 36

vertebral A. travels

Answer 36

superiorly in the transverse foramina of the cervical vertebrae C6-1, exits the transverse foramen of the atlas, crosses over posterior arch where is it visible in suboccipital triangle

Question 37

branches of anterior spinal A.

Answer 37

sulcal A.

Question 38

anterior spinal A. receives additional blood supply from

Answer 38

anterior segmental medullary As.

Question 39

posterior spinal A. receives additional blood supply from

Answer 39

posterior segmental medullary As.

Question 40

branches of thyrocervical trunk

Answer 40

inferior thyroid A. suprascapular A. transverse cervical A.

Question 41

branches of transverse cervical A.

Answer 41

superficial branch of transverse cervical A. | deep branch of transverse cervical A.

Question 42

branches of costocervical trunk

Answer 42

deep cervical A. | supreme intercostal A.

Question 43

branches of subscapular A.

Answer 43

circumflex scapular A. | thoracodorsal A.

Question 44

branches of thoracic (descending) aorta relevant to structures of back

Answer 44

posterior intercostal A. | subcostal A.

Question 45

branches of abdominal (descending) aorta relevant to structures of back

Answer 45

lumbar A. | common iliac A.

Question 46

branches of common iliac A.

Answer 46

internal iliac A. | external iliac A.

Question 47

branches of internal iliac A.

Answer 47

anterior division of internal iliac A. | posterior division of internal iliac A.

Question 48

branches of posterior division of internal iliac A.

Answer 48

iliolumbar A. lateral sacral A. superior gluteal A.

Question 49

general divisions of spinal veins

Answer 49

external vertebral venous plexus | internal vertebral venous plexus

Question 50

divisions of internal vertebral venous plexus

Answer 50

``` anterior medullary V. posterior medullary V. anterior radicular V. posterior radicular V. intervertebral V. ```

Question 51

external vertebral venous plexus drains

Answer 51

basivertebral Vs. into segmental Vs.

Question 52

anterior medullary V. drains

Answer 52

anterior spinal V.

Question 53

posterior medullar V. drains

Answer 53

posterior spinal V.

Question 54

intervertebral V. drains

Answer 54

internal vertebral venous plexus into segmental Vs.

Question 55

segmental Vs.

Answer 55

lumbar, subcostal, posterior intercostal