Скачать или смотреть Medial marginal vein of foot; Anatomy, Origin, Course, Tributaries, Drainage, Relations

medial marginal vein of the foot is a superficial vein that begins at the medial side of the dorsal venous arch of the foot. It ascends anterior to the medial malleolus and continues upward as the great saphenous vein.

🫀 Anatomy of the Medial Marginal Vein
Origin:

Arises from the medial end of the dorsal venous arch of the foot.

Course:

Runs upward along the medial border of the foot.

Passes anterior to the medial malleolus (ankle bone).

Continues into the leg as the great saphenous vein.

Relations:

Lies in the superficial fascia.

Close to cutaneous nerves of the medial foot and ankle.

🌿 Connections
Communicates with the lateral marginal vein (which continues as the small saphenous vein).

Forms part of the superficial venous network of the foot.

Connects with deep veins via perforating veins.

📌 Functions
Drains venous blood from the medial side of the foot.

Serves as the starting point of the great saphenous vein, the longest vein in the body.

Provides collateral venous return between superficial and deep systems.

🧠 Clinical Relevance
Varicose veins: Since it continues as the great saphenous vein, incompetence of valves here can contribute to varicosities.

Venous grafts: The great saphenous vein (originating from the medial marginal vein) is often harvested for coronary artery bypass grafting (CABG).

Venous access: Superficial veins of the foot, including the medial marginal vein, may be used for IV access in infants or emergencies.

🔑 Key Takeaway
The medial marginal vein of the foot is the superficial vein that gives rise to the great saphenous vein, making it an important starting point for venous return from the lower limb and clinically significant in vascular surgery and varicose vein disease

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