What is the axillary fossa?

The triangular region in the forearm on the anterior (flexor) surface of the elbow. Bounded laterally by the brachioradialis muscle and medially by the pronator teres muscle, the fossa contains the tendon of the biceps brachialis muscle and the brachial artery.

What are the walls of axilla?

There are five anatomic borders of the axilla: the superior, anterior, posterior, lateral, and medial walls. The medial wall is the serratus anterior and the first four ribs. The humerus, the coracobrachialis, and the short head of the biceps form the lateral wall.

What muscles border the axilla?

Bordered by the serratus anterior and the thoracic wall medially, a part of the humerus laterally, the pectoralis muscles anteriorly, together with the latissimus dorsi, but not only, posteriorly, the axilla is an important region, both in terms of neurovasculature and clinical relevance.

What structures are in the axillary sheath?

The axillary sheath is a fibrous sheath that encloses the axillary artery and the three cords of the brachial plexus to form the neurovascular bundle. It is surrounded by the axillary fat. It is an extension of the prevertebral fascia of the deep cervical fascia.

What is the purpose of armpits?

One of the warmest areas of the body, the armpit, or axilla, performs its most important function as home to more than 20 lymph nodes called the axillary lymph nodes . The axillary lymph nodes oversee the regulation and filtration of lymph through the upper limbs and back.

What is the function of the armpit?

Tucked away in that damp crevice between your arm and torso, the armpit—a.k.a. the axilla—is often the source of unpleasant odors and embarrassing wetness, and a hairy font of annoyance. But it’s also an important juncture that protects important lymph nodes and soft tissue.

Is axilla a arm or trunk?

The axilla is an anatomical region under the shoulder joint where the arm connects to the shoulder. It contains a variety of neurovascular structures, including the axillary artery, axillary vein, brachial plexus, and lymph nodes.

What is the area below the armpit called?

From Wikipedia, the free encyclopedia.

Is axilla considered trunk or arm?

What is area under armpit called?

24864. Anatomical terminology. The axilla (also, armpit, underarm or oxter) is the area on the human body directly under the joint where the arm connects to the shoulder.

Is the brachial plexus in the axillary sheath?

The axillary artery and brachial plexus of nerves are invested in the axillary sheath, a prolongation of the prevertebral fascia (deep cervical fascia covering the floor of the posterior triangle of the neck).