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Deltoid Branch of Deep Brachial Artery
Cardiovascular System

Deltoid Branch of Deep Brachial Artery

Ramus deltoideus arteriae profundae brachii

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Quick Facts

Origin: Deep brachial artery.

Course: Ascends along the humerus and anastomoses with the posterior circumflex humeral artery.

Branches: No named branches.

Supplied Structures: Deltoid muscle and shoulder region.

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Origin

The deltoid branch arises from the deep brachial artery as it travels along the radial groove of the humerus.

Course

From its origin, the deltoid branch travels superiorly, between the lateral and long heads of the triceps brachii muscle, towards the deltoid muscle.

Branches

The deltoid branch provides muscular branches before it anastomoses with the posterior circumflex humeral artery.

Supplied Structures

The deltoid branch of the deep brachial artery provides an arterial supply to the deltoid muscle.

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Brachial Artery

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The brachial artery FMD of hypertensive individuals improves with the use of converting enzyme inhibitors, as they increase NO availability and reduce bradykinin degradation, which causes vasodilation by activating endothelium-derived hyperpolarizing factors [81–83].

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