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What does the Haversian canal contain?

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Internal structure of a human long bone — bone A long bone of the human body, showing a magnified cross section of the interior.

The Haversian canal, located at the center of an osteon, contains small blood vessels that are essential for supplying blood to osteocytes, the mature cells found within bone tissue. These vessels facilitate the exchange of nutrients, waste products, and biochemical signals throughout the mineralized bone matrix via the lacuno-canalicular network.12