Axilla Flashcards by Rawan _ | Brainscape

Q

Shape of Axilla

A

4 sided pyramidal space

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Q

Anterior Boundary of the Axilla’s Apex

A

Clavicle

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Q

Posterior Boundary of the Axilla’s Apex

A

Superior border of scapula

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Q

Medial Boundary of the Axilla’s Apex

A

Outer border of the 1st rib

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Q

Anterior Wall of the Axilla

A

Pectoralis Major
Pectoralis Minor
Clavipectoral Fascia
Subclavius Muscle

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Q

Anterior Fold of the Axilla

A

Pectoralis Major

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Q

Posterior Wall of the Axilla

A

Lattissimus Dorsi
Teres Major
Subscapularis

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Q

Posterior Fold of the Axilla

A

Lattissimus Dorsi

- Teres Major

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Q

Medial Wall of the Axilla

A

Thoracic wall

- Serratus anterior

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Q

Lateral Wall of the Axilla

A

Upper shaft of the humerus

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Q

Contents of the Axilla

A

Axillary artery
Axillary vein
Brachial plexus
Axillary lymph nodes
Axillary fat
Axillary tail female breast

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Q

Beginning of Axillary Artery

A

Continuation of the subclavian artery at outer border of 1st rib

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Q

Termination of Axillary Artery

A

Lower border of teres major; continues as brachial artery

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Q

1st Part Branch of the Axillary Artery

A

Superior Thoracic Artery

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Q

2nd Part Branch of the Axillary Artery

A

thoracoacromial artery

- lateral thoracic artery

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Q

3rd Part Branch of the Axillary Artery

A

subscapular artery
anterior circumflex humeral artery
posterior circumflex humeral artery

Q

Roots of Brachial Plexus

A

C5, C6, C7, C8, T1

Q

Lateral Cord of Brachial Plexus

A

Anterior divisions of upper and middle trunks.

Q

Root value of lateral cord

A

C5, C6, C7

Q

Medial Cord of Brachial Plexus

A

Anterior divisions of the lower trunk

Q

Root value of the medial cord

A

C8, T1

Q

Posterior Cord of Brachial Plexus

A

Posterior divisions of the 3 trunks

Q

Root value of the posterior cord

A

C5, C6, C7, C8, T1

Q

Position of roots and trunks

A

Posterior triangle of the neck

Q

Position of the divisions

A

Behind the clavicle

Q

Position of the cords

A

Axilla

Q

Branches from the roots

A

dorsal scapular nerve

- long thoracic nerve

Q

Branches from the trunk (upper trunk only)

A

Suprascapular nerver

- Nerve to subclavius

Q

Branches from the medial cord

A

medial cutaneous nerve of the arm
medial cutaneous nerve of the forearm
medial pectoral nerve
medial root of median nerve
ulnar nerve

Q

Branches of the lateral cord

A

lateral pectoral nerve
lateral root of median nerve
musculocutaneous nerve

Q

Branches from the posterior cord

A

upper Subscapular nerve
lower subscapular nerve
nerve to lattissimus dorsi
axillary nerve
radial nerve