Axilla Flashcards

0
Q

What is the apex of the axilla?

A

cervico-axillary canal;

passageway between the neck and the axilla

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1
Q

Where is the axilla located?

A

inferior to the glenohumeral joint and superior to the skin and axillary fascia at the junction of the arm and thorax

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2
Q

What are the borders of the apex of the axilla?

A

1st rib, clavicle, and superior edge of the scapula

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3
Q

What forms the base of the axilla?

A

concave skin, subcutaneous tissue, and axillary (deep) fascia extending from the arm to the thoracic wall forming the axillary fossa

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4
Q

What forms the anterior wall of the axilla?

A

pectoralis major and minor and the pectoral and clavipectoral fascia associated with them

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5
Q

What is the anterior axillary fold?

A

the inferiormost part of the anterior wall

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6
Q

What forms the posterior wall of the axilla?

A

scapula and subscapularis on its anterior surface and inferiorly by the teres major and the latissimus dorsi

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7
Q

What is the posterior axillary fold?

A

the inferiormost part of the posterior wall that may be grasped

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8
Q

What forms the medial wall of the axilla?

A

the thoracic wall and the overlying serratus anterior

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9
Q

What forms the lateral wall of the axilla?

A

the narrow bony wall formed by intertubercular sulcus of the humerus

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10
Q

Where is the axillary artery?

A

the lateral border of the first rib as the continuation of the subclavian artery and ends at the inferior border of the teres major

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11
Q

Where is the first part of the axillary artery located?

A

between the lateral border of the 1st rib and the medial border of the pectoralis minor

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12
Q

What is the branch of the first part of the axillary artery?

A

superior thoracic artery

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13
Q

Where is the second part of the axillary artery located?

A

lies posteriorly to the pectoralis minor and has two branches that pass medial and lateral to the muscle

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14
Q

What are the two branches of the second part of the axillary artery?

A

the thoraco-acromial artery and the lateral thoracic artery

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15
Q

Where is the third part of the axillary artery located?

A

lateral border of the pectoralis minor to the inferior border of the teres major

16
Q

What are the branches of the third part of the axillary artery?

A

subscapular artery, anterior circumflex humeral artery, and posterior circumflex humeral artery

17
Q

Where is the axillary vein?

A

anteromedial side of the axillary artery, with its terminal part antero-inferior to the artery

18
Q

What joins to form the axillary vein?

A

accompanying brachial veins and the basilic vein at the inferior border of the teres major