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Volkmann's canals

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Title: Volkmann's canals  
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Subject: Osteon, Volkmann, Pelagornithidae
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Volkmann's canals

Volkmann's canals
Illustrated cross section of a long bone. Volkmann's canal labeled at bottom right.

Volkmann canals, also known as perforating holes, are microscopic structures found in compact bone. They run within the osteons perpendicular to the Haversian canals, interconnecting the latter with each other and the periosteum. They usually run at obtuse angles to the Haversian canals and contain anastomosing vessels between Haversian capillaries. The Volkmann canals also carry small arteries throughout the bone. They were named after German physiologist Alfred Volkmann (1800-1878).

Volkmann's canals form a route for blood vessels to supply nutrients to the osteons.

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