Dorsal metatarsal veins

Dorsal metatarsal veins are veins located in the foot that play a crucial role in the venous drainage of the lower extremity. These veins are part of the venous system and are responsible for draining blood from the metatarsal bones and the dorsum of the foot.

Anatomy

The dorsal metatarsal veins are situated on the dorsal aspect of the foot. They are typically four in number, corresponding to the spaces between the five metatarsal bones. These veins collect blood from the dorsal digital veins and the dorsal venous arch.

Dorsal Venous Arch

The dorsal venous arch is a prominent venous structure on the dorsum of the foot. It receives blood from the dorsal metatarsal veins and drains into the great saphenous vein and the small saphenous vein.

Dorsal Digital Veins

The dorsal digital veins are small veins that drain the toes. They converge to form the dorsal metatarsal veins.

Function

The primary function of the dorsal metatarsal veins is to facilitate the return of deoxygenated blood from the foot to the heart. They play a significant role in the venous return mechanism, especially during activities such as walking and running, where the foot undergoes repetitive motion.

Clinical Significance

Issues with the dorsal metatarsal veins can lead to various medical conditions, such as varicose veins and deep vein thrombosis. Proper functioning of these veins is essential for maintaining healthy blood circulation in the lower extremities.

Related Pages

• Venous system
• Metatarsal bones
• Dorsum of the foot
• Dorsal venous arch
• Great saphenous vein
• Small saphenous vein
• Dorsal digital veins
• Varicose veins
• Deep vein thrombosis