Where does the thoracodorsal artery supply?
latissimus dorsi muscle
The thoracodorsal artery supplies predominantly the latissimus dorsi muscle but also gives branches to the serratus anterior muscle, the axillary skin, the subscapular and teres major muscles.
What does the thoracodorsal artery innervate?
The thoracodorsal nerve is a pure motor nerve that innervates the latissimus dorsi muscle. The latissimus dorsi muscle is a large, fan-shaped muscle that originates from the spinous processes of T7 to L5, the thoracolumbar fascia, and iliac crest.
What nerve is bundled with the thoracodorsal artery?
The thoracodorsal artery gives off one to three branches of about 1 mm diameter to the serratus anterior which penetrate the muscle in its midportion along the course of the long thoracic nerve.
What is a thoracodorsal artery perforator flap?
The thoracodorsal artery perforator or TAP flap is a fasciocutaneous flap based on a musculocutaneous perforator or perforators from the thoracodorsal vessel axis and/or its vertical branch derivative.
What happens if thoracodorsal nerve is injured?
An intact thoracodorsal nerve may also cause atrophy of the muscle, which can lead to shoulder and arm weakness that hampers numerous common movements, including standing up from a chair.
What artery accompanies the axillary nerve?
Anatomical Course In the axilla, the axillary nerve is located posterior to the axillary artery and anterior to the subscapularis muscle. It exits the axilla at the inferior border of subscapularis via the quadrangular space, often accompanied by the posterior circumflex humeral artery and vein.
What does the Subscapular artery supply?
About 4 cm from its origin it gives off two branches, first the scapular circumflex artery and then the thoracodorsal artery….
| Subscapular artery | |
|---|---|
| Source | Axillary artery |
| Branches | circumflex scapular artery, thoracodorsal artery |
| Supplies | Latissimus dorsi |
| Identifiers |
What muscles does long thoracic nerve innervate?
The long thoracic nerve is the motor nerve to the serratus anterior muscle, which functions to pull the scapula forward around the thorax, allowing for anteversion of the arm, and to lift the ribs, assisting in respiration.
What are the branches of the thoracodorsal artery?
Along its course, the thoracodorsal artery gives rise to several cutaneous and muscular branches that supply the adjacent latissimus dorsi, serratus anterior, subscapularis and teres major muscles as well as the skin in the axillary region.
Where does the thoracodorsal artery supply the scapula?
The thoracodorsal artery is one of the two terminal branches of the subscapular artery. It runs inferomedially along the lateral border of the scapula. Along its course, this artery gives rise to small branches that supply the following muscles: The latissimus dorsi muscle and the adjacent skin.
Where does the thoracodorsal artery enter the latissimus dorsi muscle?
The thoracodorsal artery courses from the axilla along the anterior border of the latissimus dorsi muscle, enters the muscle from underneath, and spreads into two or three major branches at the undersurface of the muscle.
Where does the thoracodorsal nerve branch off from?
The thoracodorsal nerve is known to branch off from the posterior cord of the brachial plexus from three different points. Additionally, the thoracodorsal nerve supplies the teres major muscle in about 13% of people. 1
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