What are the boundaries of the axillary region?
There are five anatomic borders of the axilla: the superior, anterior, posterior, lateral, and medial walls[1]. 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 is fossa Axillaris?
ax·il·lar·y fos·sa. [TA] depression between the anterior and posterior axillary folds forming the floor of the axilla; after puberty, this is a site of hair growth and an abundance of sweat glands. Synonym(s): fossa axillaris [TA], armpit.
How do you remember the branches of the axillary artery?
Useful mnemonics to remember the branches of the axillary artery are:
- S AL SAP.
- Screw the lawyer, save a patient!
What is the armpit region called?
the axilla
The floor, or base, of the axilla is the axillary fascia and its skin on the surface of the axilla, aka the ‘armpit’. 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.
What is the apex boundary of the axilla?
The axillary apex is the interval between the superior border of the scapula, the posterior border of the clavicle, and the external border of the first rib. The pectoralis major and the latissimus dorsi form the major anterior and posterior folds, respectively, of the axilla.
What is the cranial border of the axillary level I area?
cranial border of level I begins at the top of the axillary artery when it crosses the lateral border of the pectoralis minor muscle, including the clips and seroma if present, and avoiding the humeral vessels (Fig. 3C).
Is there a bone in your armpit?
Bones: The upper ribs are located beneath the armpit, while the head of the humerus (upper arm bone) is located directly above the armpit, where it meets with the scapula (shoulder blade).
What is meant by Axillae?
(AK-sih-LAYR-ee) Pertaining to the armpit area, including the lymph nodes that are located there.
What are the 3 divisions of the axillary artery?
It has three branches that are variable in their order: the subscapular trunk, the anterior humeral circumflex artery, and the posterior humeral circumflex artery.
What is your leg armpit called?
Popliteal fossa | |
---|---|
Latin | Fossa poplitea |
TA98 | A01.2.08.013 |
TA2 | 324 |
FMA | 22525 |
What is the caudal border of the axillary level III area?
The caudal border of this level is 5 mm below the axillary vein where it crosses the medial border of the pectoralis minor muscle.
What are the boundaries of cervicoaxillary canal?
The cervicoaxillary canal is bounded anteriorly by the clavicle, posteriorly by the scapula, and medially by the first rib. Most structures pass through the cervical axillary canal as they course between the neck and upper extremity.
What is the caudal border of the axillary level 3 area?
Why are my underarms dark?
Dark underarms usually aren’t a sign of anything serious, but some people may find them embarrassing — especially during tank top and swimsuit season. Darkening is often due to a skin condition called acanthosis nigricans (AN). It causes skin to thicken and darken in folds around the body.
Can periods hurt armpits?
Hormone changes Changes in a person’s hormones can cause breast pain that spreads to the armpit. Some examples of when this may occur include: before your period.
Is axilla a name?
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. It also contains many sweat glands.
What anastomosis forms v Axillaris?
Scapular and shoulder anastomoses The branches of the scapular anastomoses come from the subclavian artery and the axillary artery. Those of the shoulder are derived from the different segments of the axillary artery. The first member of the scapular anastomoses arises from the thyrocervical trunk.
What are the borders of the cubital fossa?
Fig 1 – The cubital fossa is a triangular-shaped depression over the anterior aspect of the elbow. The cubital fossa is triangular in shape and consists of three borders, a roof, and a floor: Lateral border – medial border of the brachioradialis muscle. Medial border – lateral border of the pronator teres muscle.
What is the axillary inlet of the hip?
Apex – also known as the axillary inlet, it is formed by lateral border of the first rib, superior border of scapula, and the posterior border of the clavicle. Lateral wall – formed by intertubercular groove of the humerus.
Where is the axillary artery located?
Axilla is a pyramid shaped space between the upper part of the arm and the side of the chest. Important Nerves, Blood and Lymph vessels travel through it from root of the neck to the upper limb. Axillary artery supplies the thoracic wall and the shoulder region.
What are the different types of axillary afferens?
1. ANTERIOR (PECTORAL) AXILLARY N-receive afferens from ant & lat thorax, central & lat mammary gland-efferents go to 4 &5 2. LATERAL (BRACHIAL) AXILLARY NODES: – receive afferens from all upper extremity except those nodes around cephalic vein-efferents go to 4 & 5 3.