metatarsal artery การใช้

• A superficial branch which supplies a plantar digital artery to the medial side of the 1st toe, and a deep branch which assists in supplying blood to the plantar metatarsal arteries.
• The first plantar metatarsal artery ( arteria princeps hallucis ) springs from the junction between the lateral plantar and deep plantar arteries and sends a digital branch to the medial side of the first toe.
• At the base of the first metatarsal bone, where it is much diminished in size, it passes along the medial border of the first toe, anastomosing with the first dorsal metatarsal artery.
• It sends a branch along the medial side of the great toe and continues forward along the first interosseous space as the first plantar metatarsal artery, which bifurcates for the supply of the adjacent sides of the great and second toes.
• At the proximal parts of the interosseous spaces these vessels receive the posterior perforating branches from the plantar arch, and at the distal parts of the spaces they are joined by the anterior perforating branches, from the plantar metatarsal arteries.