Diagram showing the blood supply of an adult long bone. The nutrient artery and the epiphyseal arteries enter the bone through nutrient foramina. These openings in the bone arise developmentally as the pathways of the principal vessels of periosteal buds. Metaphyseal arteries arise from periosteal vessels that become incorporated into the metaphysis as the bone grows in diameter.

compact bone epiphysis diaphysis nutrient articular epiphyseal artery periosteal arteries

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