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Questions and Answers
What structures form the anterior wall of the axilla?
What structures form the anterior wall of the axilla?
What is the continuation of the axillary artery?
What is the continuation of the axillary artery?
Which part of the axillary artery gives rise to 3 branches?
Which part of the axillary artery gives rise to 3 branches?
Where does the lateral wall of the axilla converge with the anterior and posterior walls?
Where does the lateral wall of the axilla converge with the anterior and posterior walls?
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Which structure is found in the contents of the axilla?
Which structure is found in the contents of the axilla?
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What forms the posterior wall of the axilla?
What forms the posterior wall of the axilla?
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What is the most common site for boils according to the given text?
What is the most common site for boils according to the given text?
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Which area of the body do axillary lymph nodes drain according to the text?
Which area of the body do axillary lymph nodes drain according to the text?
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What is the most severe paralysis related to the brachial plexus birth injury according to the text?
What is the most severe paralysis related to the brachial plexus birth injury according to the text?
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What causes Klumpke's paralysis according to the text?
What causes Klumpke's paralysis according to the text?
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Which muscle is mainly affected in Erb's paralysis according to the given text?
Which muscle is mainly affected in Erb's paralysis according to the given text?
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What deformity is associated with injury to the nerve to serratus anterior according to the text?
What deformity is associated with injury to the nerve to serratus anterior according to the text?
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Study Notes
Axilla Structure
- The anterior wall of the axilla is formed by the pectoralis major muscle, pectoralis minor muscle, and subclavius muscle.
- The lateral wall of the axilla converges with the anterior and posterior walls at the anterior axillary fold.
Axillary Artery
- The axillary artery is a continuation of the subclavian artery.
- The part of the axillary artery that gives rise to 3 branches is the second part.
Axilla Contents
- The axilla contains the axillary artery, axillary vein, and brachial plexus.
Axilla Walls
- The posterior wall of the axilla is formed by the subscapularis muscle, teres minor muscle, and teres major muscle.
Clinical Notes
- Boils are most commonly found in the axillary region.
- Axillary lymph nodes drain the upper limb, except for the hand.
- The most severe paralysis related to the brachial plexus birth injury is Erb's paralysis.
- Klumpke's paralysis is caused by injury to the lower trunk of the brachial plexus.
- Erb's paralysis mainly affects the deltoid muscle.
- Injury to the nerve to serratus anterior leads to a "winged scapula" deformity.
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Description
This quiz covers the anatomical details of the axilla, including its boundaries, such as the apex, anterior, posterior, and medial walls, and the structures that contribute to these boundaries. It also discusses the layers and fascia of the axilla.
