Dissection 9: Axilla and Brachial Plexus Flashcards
what major nerves and vessels pass through the axilla?
axillary artery
axillary vein
components of the brachial plexus
what do the apical lymph nodes drain into?
thoracic duct
what do the central lymph nodes drain into?
apical nodes
what do the basal lymph nodes drain into?
central nodes
where do the pectoral lymph nodes receive lymph from?
breast
where do the subscapular lymph nodes receive lymph from?
scapular region
where do the humeral lymph nodes receive lymph from?
upper limb
what muscle forms the anterior wall of the axilla?
pectoralis major
main muscles of climbing?
latissimus dorsi
pectoralis major
when does the brachial vein become the axillary vein?
lower border of the teres major muscle
which muscle forms the posterior wall of the axilla?
teres major
when does the subclavian artery become the axillary artery?
lateral border of rib 1
what do the roots and trunks of the plexus lie between?
anterior and middle scalene muscles in the root of the neck
what do the divisions of the plexus lie posterior to?
subclavian vessels in the root of the neck
what artery do the cords of the plexus lie around
axillary artery