Circulatory System | Arteries & Veins of the Upper Limb | Vascular Arm Model

Summary

In this video, the speaker provides a detailed explanation of the vascular system of the arm, covering both arteries and veins. The journey starts from the axillary artery, down to smaller branches like the brachial and radial arteries, and continues to the hand. It also discusses important veins, including the basilic, cephalic, and median antecubital veins, as well as their connections. The speaker goes step-by-step, illustrating the vascular structures and their significance, offering a clear guide for viewers studying the anatomy of the arm’s circulatory system.

Takeaways

• 😀 The video focuses on the vascular anatomy of the arm, covering both arteries and veins.
• 😀 The model used in the video represents the left arm, with detailed focus on the arm's arteries and veins.
• 😀 The arteries discussed include the axillary artery, brachial artery, radial artery, and ulnar artery, with additional branches like the deep brachial and interosseous arteries.
• 😀 The video introduces the superficial and deep palmar arches, which supply the palm of the hand, along with the common and proper palmar digital arteries.
• 😀 The dorsum of the hand is examined, with the dorsal carpal arch and dorsal metacarpal arteries forming anastomoses with the palmar arteries.
• 😀 Veins are discussed, starting with the palmar digital veins and the palmar venous arch, which is fed by the radial and ulnar veins.
• 😀 The basilic vein and cephalic vein are highlighted as the major veins, with the median antebrachial vein running between them.
• 😀 The cephalic and basilic veins form an anastomosis at the antecubital region, forming the median antecubital vein, often used for blood draws.
• 😀 Radial and ulnar veins are also discussed, which converge to form the brachial vein.
• 😀 The brachial vein eventually empties into the axillary vein, which is different from the cephalic vein, which empties directly into the axillary vein.

Q & A

What is the first artery discussed in the video?

The first artery discussed in the video is the axillary artery.

What are the two main branches of the axillary artery mentioned?

The two main branches of the axillary artery mentioned are the anterior humeral circumflex artery and the posterior humeral circumflex artery.

What is the significance of the brachial artery?

The brachial artery is the main artery running down the upper arm, and it branches into the radial and ulnar arteries at the antecubital region.

How is the deep brachial artery related to the brachial artery?

The deep brachial artery is a minor branch off of the brachial artery.

What is the common interosseous artery, and how does it split?

The common interosseous artery branches into the posterior interosseous artery and the anterior interosseous artery.

What are the superficial and deep palmar arches?

The superficial palmar arch is a vessel that feeds into the hand, while the deep palmar arch is located beneath the superficial arch, also contributing to the hand's vascularization.

What arteries supply the fingers?

The fingers are supplied by the common palmar digital arteries and the proper palmar digital arteries.

What is the dorsal carpal arch?

The dorsal carpal arch is an important vessel on the dorsum of the hand that supplies the back of the hand and forms anastomoses with other arteries.

How do the radial and ulnar arteries contribute to the circulation in the hand?

The radial and ulnar arteries supply blood to the hand and contribute to the formation of the palmar arches and digital arteries.

What is the relationship between the cephalic and basilic veins?

The cephalic and basilic veins run on opposite sides of the arm and are connected by the median antecubital vein, forming an anastomosis.