Dissection 9: Axilla and Brachial Plexus Flashcards Preview

2 Anatomy > Dissection 9: Axilla and Brachial Plexus > Flashcards

Flashcards in Dissection 9: Axilla and Brachial Plexus Deck (21)
Loading flashcards...
1
Q

what major nerves and vessels pass through the axilla?

A

axillary artery
axillary vein
components of the brachial plexus

2
Q

what do the apical lymph nodes drain into?

A

thoracic duct

3
Q

what do the central lymph nodes drain into?

A

apical nodes

4
Q

what do the basal lymph nodes drain into?

A

central nodes

5
Q

where do the pectoral lymph nodes receive lymph from?

A

breast

6
Q

where do the subscapular lymph nodes receive lymph from?

A

scapular region

7
Q

where do the humeral lymph nodes receive lymph from?

A

upper limb

8
Q

what muscle forms the anterior wall of the axilla?

A

pectoralis major

9
Q

main muscles of climbing?

A

latissimus dorsi

pectoralis major

10
Q

when does the brachial vein become the axillary vein?

A

lower border of the teres major muscle

11
Q

which muscle forms the posterior wall of the axilla?

A

teres major

12
Q

when does the subclavian artery become the axillary artery?

A

lateral border of rib 1

13
Q

what do the roots and trunks of the plexus lie between?

A

anterior and middle scalene muscles in the root of the neck

14
Q

what do the divisions of the plexus lie posterior to?

A

subclavian vessels in the root of the neck

15
Q

what artery do the cords of the plexus lie around

A

axillary artery

16
Q

what muscle does the musculocutaneous nerve supply?

A

coracobrachialis
biceps brachii
brachialis

17
Q

which compartment do the axillary and radial nerves pass into?

A

posterior

18
Q

which is the most superior of the axillary and radial nerve

A

axillary

19
Q

what does the axillary nerve wrap around

A

surgical neck of humerus

20
Q

what does the radial nerve pass around

A

posterior aspect of mid shaft of the humerus

21
Q

which nerve is the most medial of the nerves of the plexus

A

ulnar nerve