Axilla

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| By Godman95
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Godman95
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1. Its medial wall is formed by

Explanation

The correct answer is the upper part of serratus anterior. The medial wall of the given structure is formed by the upper part of serratus anterior. This muscle originates from the upper eight or nine ribs and inserts into the medial border of the scapula. It helps to stabilize and protract the scapula, allowing for movements of the shoulder joint. The other options mentioned, such as subscapularis, teres major, and the lip of pectoralis major, do not contribute to the formation of the medial wall in this case.

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About This Quiz
Axilla - Quiz

Explore the anatomy of the axilla with specific focus on its structure and contents. This quiz assesses knowledge of its boundaries, contents, and anatomical relationships, crucial for students... see moreand professionals in medical fields. see less

2. What are the contents of the axilla ?

Explanation

The contents of the axilla include axillary arteries, axillary veins, lymph nodes of the axilla, and the brachial plexus.

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3. Match the following
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4. The floor of the axilla is formed by

Explanation

The floor of the axilla is formed by the axillary fascia. The axillary fascia is a layer of connective tissue that covers the axilla, or armpit. It helps to provide support and structure to the axilla, as well as serving as a barrier between the axilla and surrounding structures. The other options mentioned, such as the upper part of serratus anterior, pectoral muscle, and clavipectoral fascia, are not involved in forming the floor of the axilla.

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5. Its posterior is forrmed by

Explanation

The posterior of the given structure is formed by the subscapularis muscle, the tendon of the latissimus dorsi connected to the teres major muscle, and the teres major muscle.

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6. What  exactly is the axilla?

Explanation

The axilla is the space between the side of the thorax and the upper arm, also known as the armpit. It is not a small superficial muscle, but rather a hollow area where many important structures such as blood vessels, nerves, lymph nodes, and muscles converge. It is an anatomical region rather than a muscle or a space in the ribcage.

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7. Its apex is formed by

Explanation

The apex of the given structure is formed by the clavicle, the outer border of the first rib, and the upper border of the scapula. These three bones come together to create the highest point or tip of the structure. The head of the humerus is not involved in the formation of the apex.

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8. Its anteior is formed by

Explanation

The anterior (front) part of the body is formed by the pectoral major, pectoral minor, subclavius, and clavipectoral muscle. These muscles are located in the chest area and contribute to the overall structure and movement of the upper body. The pectoral major is the largest muscle in the chest and is responsible for movements such as flexion, adduction, and rotation of the arm. The pectoral minor is a smaller muscle located beneath the pectoral major and helps to stabilize the shoulder joint. The subclavius muscle runs along the clavicle (collarbone) and assists in depressing and stabilizing the clavicle. The clavipectoral muscle is a group of muscles that help to support and move the arm.

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9. Its apex is a communication channel between

Explanation

The correct answer is the axilla. The axilla, also known as the armpit, is a communication channel between the posterior triangle (a region of the neck) and the side of the thorax (chest). It is located on the side of the upper arm and serves as a pathway for nerves, blood vessels, and lymphatic vessels to travel between these areas.

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  • Mar 26, 2016
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Its medial wall is formed by
What are the contents of the axilla ?
Match the following
The floor of the axilla is formed by
Its posterior is forrmed by
What  exactly is the axilla?
Its apex is formed by
Its anteior is formed by
Its apex is a communication channel between
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