The
pectoralis major
What are the contents of the axilla?
The main contents of the axilla are
the axillary vein and artery, the axillary lymph nodes, with a portion of the brachial plexus and its branches
. Brachial plexus – a complex network of nerves formed by the lower cervical and upper thoracic ventral nerve roots, which begins in the neck and extends into the axilla.
Is the axilla part of the chest wall?
Boundaries of the Axilla
The axilla is a
pyramidal compartment between the upper extremity and the thoracic walls
(Fig. 2.8). It is described as having four walls, an apex, and a base.
What are the three main muscles that create the anterior and posterior walls of the arm pit?
The anterior wall is made up of the
pectoralis major and minor muscles
and their associated fasciae. The posterior wall is composed primarily of the subscapularis muscle, located on the anterior surface of the scapula, and to a lesser extent by the teres major and latissimus dorsi muscles and their associated tendons.
What muscles make up the axilla?
The axilla is filled with adipose (fat) and allows passage for: vessels, nerve plexus, lymphatics, and muscles. The muscles include the
coracobrachialis, pectoralis minor, and the biceps brachii
. The posterior border of pectoralis major and minor defines the anterior border (fold).
Is the axilla a muscle?
The contents of the axilla region include muscles, nerves, vessels, and lymphatics: Axillary artery (and branches) – the main artery supplying the upper limb. It is commonly referred as having three parts; one medial to the pectoralis minor, one posterior to pectoralis minor, and one lateral to pectoralis minor.
What is area under armpit called?
FMA. 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.
What part of the body is the axilla?
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 function of the axilla?
The axillary nodes are a group of lymph nodes located in the axillary (or armpit) region of the body. They perform the vital function of
filtration and conduction of lymph from the upper limbs, pectoral region, and upper back
.
What is the purpose of armpits?
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.
What is the plural of axilla?
noun. ax·il·la | ag-ˈzi-lə , ak-ˈsi- plural
axillae
ag-ˈzi-(ˌ)lē , -ˌlī or axillas.
What muscles and tendons are in the armpit?
Muscles: Towards the back of the axilla are the
teres major
and latissimus dorsi muscles. The pectoralis major enters this region from the chest. The coracobrachialis runs centrally through the armpit and the arm muscles—including the deltoid, long head of the triceps, and biceps—are nearby.
What is the right axillary region?
The axillary region (also known as the arm pit) is a
pyramid-shaped area located between the shoulder girdle and thorax
. It serves as a space for neurovascular and lymphatic structures to travel through to reach the upper extremity from the neck.
Why are armpits called armpits?
armpit (n.)
mid-14c.,
“hollow place under the shoulder
,” from arm (n. 1) + pit (n. 1). Arm-hole (early 14c.)
What is armpit mean?
1 :
the hollow beneath the junction of the arm and shoulder
. 2 : the least desirable place : pit 77th Street Station ... was the armpit of detective duty— Joseph Wambaugh.
How can I whiten my underarms?
Mix
1 tablespoon of milk and 1 tablespoon of rose water with enough powdered orange peel
to make a thick paste. Gently scrub your armpits with the paste and then leave it on for about 15 minutes before rinsing it off with cool water. Repeat two to three times per week. Turmeric.
