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Gross Anatomy > Axilla > Flashcards

Axilla Flashcards

1
Q

The axilla has how many walls

A

Four

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2
Q

The apex of the axilla is called

A

Cervicoaxillary canal

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3
Q

The apex is bounded anteriorly by

A

The clavicle

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4
Q

The apex is bounded posteriorly by

A

The upper border of the scapula

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5
Q

The apex is bounded medially by

A

the outer border of the first rib

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6
Q

The base of the axilla is formed by

A

Skin stretching between the anterior and posterior walls

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7
Q

The base is bounded anteriorly by

A

The anterior axillary fold formed from the lower border of the pectoralis major

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8
Q

The base is bounded posteriorly by

A

the tendons of the latissimus Dorsi and teres major muscles

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9
Q

The base is bounded medially by

A

the upper 4-5 ribs and the chest wall

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10
Q

The anterior wall is formed by the

A

Pectoralis major-Deep plane
Pectoralis minor- Superficial plane , same as the rest
Subclavius muscle
Clavipectoral fascia
Suspensory ligaments

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11
Q

The posterior wall is formed by

A

Subscapularis
Latissimus Dorsi
Teres major

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12
Q

The medial wall is formed by

A

Serratus anterior
Upper 4-5 ribs and intercostal muscles

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13
Q

The lateral wall is formed by

A

Coracobrachialis
The tendon of the head of biceps brachii
The intertubercular sulcus of the humerus

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14
Q

The neurovasciular bundle of the axilla is enclosed in a connective tissue sheath called

A

Axillary Sheath

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15
Q

The axillary artery begins at

A

The first rib as a direct continuation of the subclavian artery

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16
Q

The axillary artery ends at

A

The lower border of teres major becoming the brachial artery

17
Q

What is the first part of the axillary artery

A

Supreme thoracic artery

18
Q

The second part of the axillary artery

A

Thoracoacromial trunk
Lateral thoracic artery

19
Q

The third part of the axillary artery is

A

Subscapular artery
Anterior circumflex humeral artery
Posterior circumflex humeral artery

Gross Anatomy (9 decks)

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