Axillary, brachial plexus & blood supply of arm (outline 13) Flashcards
What artery that is only in the right arm? What is its contents?
brachiocephalic trunk
left common carotid
left subclavian
Where does the common carotid supply?
head
What mark the subclavian artery?
rib 1
what does subclavian give off b4 rib 1?
vertebral a
thyrocervical trunk
internal thoracic A
costocervical trunk
What is the name for subclavian after rib 1?
axillary 1
What does the thyrocervical trunk give off?
inferior thyroid
suprascapularis
transverse cervicle
dorsal scapular a
what does inferior thyroid supply? transverse cervical?
thyroid gland + sternoclavicular joint
traps
what does vertebra a supply?
lower brainstem and spinal cord
What does costalcervical give off?
deep cervical
supreme intercostal
What does the internal thoracic a supply?
1st anterior intercostal spaces
deep cervical supply where?
supreme intercostal
vertebra
1st 2 posterior intercostal arteries
where does ax 1 travel? what does it give off?
from rib 1 -> superior border of pec minor
superior thoracic a
what does the superior thoracic supply?
1st intercostal space
Where is ax 2? give off?
under pec minor
lateral thoracic trunk and thoracoacromion trunk
what does thoracoacromial trunk give off?
clavicular branch
pectoral branch
deltoid branch
acromial artery
what are two arteries that supply the superficial deltoid? what is the root trunk that give off this?
acromial trunk
deltoid branch
Where does Ax 3 travel? Give off?
inferior border of pec minor to inferior border of teres major
Posterior Humerus Circumflex A
Anterior Humerus circumflex A
subscapular trunk
What does subscapular trunk give off?
circumflex scapula artery
thoracodorsal a (lats)
What does ACHA & PCHA both supply?
humeral head & shoulder joint
what is the largest branch in 3 axillaries?
subscapular trunk
Anterior border of Axilla? Posterior?
Pec muscles
Subscapularis/ Teres major/scapula
Medial/Lateral border of Axilla?
Serratus Anterior (Rib)
humerus
What are contents in axillary sheath?
Axillar artery
medial cord
lateral cord
posterior cord
what is the root of brachial axillary?
anterior rami of C5-T1
What are the trunks in brachial plexus?
What are cords in_______?
superior/middle/inferior
lateral/posterior/medial
What form the superior trunk? inferior trunk? middle trunk?
C5-C6
C8-T1
C7
what does the trunk locate in relative to? the cord in relative to?
the clavicle
axillary arteries
What are the 4 supraclavicular branches?
suprascapular
long thoracic
dorsal scapular
N to subcalvius
What are infraclavicular branches?
medial brachial & antebrachial cutaneous
medial &lateral pectoral
upper&lower subscapular
thoracodorsal
What is median N responsible for?
Forearm flexor
Thumb
Lumbrical 2&3
Ulnar responsible for?
Most intrinsic hand
