Skeletal Anatomy-Axilla

Front 1

Axillary sheath is what?

Back 1

continuation of the fascia associated with anterior and middle scalene muscle that continues laterally as a tubular sheath surround the nerves of the brachial plexus and axillary artery.

Front 2

The axilla is a pyramidal space between the proximal arm and the lateral thoracic wall. It contains?

Back 2

Axillary vessels and their branches, brachial plexus and their branches and lymph nodes embedded in fat.

Front 3

Axillary fascia

Back 3

Investing layer extending from the pec major to lat. archin inward to form hollow of the armpit

Front 4

Clavipectoral fascia is attached above, infront, and behind the subclavius muscle which then forms a single layer but then splits at the lateral border to this muscle???? after this muscle it reforms to become the?

Back 4

Pectoralis minor and suspensory ligament

Front 5

The axillary artery and the brachial plexus are the major components of this?

Back 5

Axilla

Front 6

This is the central structure of the axilla??? it is surrounded by components of the of the brachial plexus and is wrapped in CT known as?

Back 6

axillary artery, axillary sheath

Front 7

Branches of the axillary artery Part 1???
2???
3???

Back 7

Superior Thoraciac artery

Thoracoacromial artery
Lateral thoracic artery

Anterior circumflex humoral artery
Posterior circumflex humoral artery
Subscapular artery

Front 8

Cervicoaxillary canal is bound by?

Back 8

anteriorly the clavical,
Posteriorly the scapula, and medially the 1st rib

Front 9

Boundaries of the Axilla include the??

Back 9

Apex, Base
anterior, posterior, medial and lateral wall

Front 10

Lateral wall of the axilla?

Back 10

Humerous, coracobrachialis and bicep muscle

Front 11

Base of the axilla?

Back 11

Axillary fascia and skin

Front 12

Apex of the axilla?

Back 12

Cervicoaxillary canal

Front 13

Anterior wall of axilla?

Back 13

Pectoralis major and minor and clavipectoral fascia

Front 14

Posterior wall of axilla

Back 14

Subscapularis, teres major, lat dorsi

Front 15

Medial wall of axilla

Back 15

1st 4 ribs, and intercostal muscles and upper portion of serratus anterior

Front 16

Intercostalbrachial nerve is what? and supplies what?

Back 16

Lateral branch of 2nd intercostal nerve T2, supplies lateral chest wall and medial arm area