Definition of Haversian canal in US English:

Haversian canal

noun

Anatomy
  • Any of the minute tubes which form a network in bone and contain blood vessels.

    • ‘Each Haversian canal is oriented along the long axis of the bone and contains blood vessels and nerves.’
    • ‘The primary purpose of the vessels typically found in Haversian canals is to provide a blood supply to bone cells, which are also known as osteocytes.’
    • ‘Vascular canals, called Volkmann's canals, traverse the long axis of the bone; they are always at right angles to Haversian canals.’
    • ‘Every part of a Haversian system is supplied with nutrient fluids derived from the vessels in the Haversian canal and distributed through the canaliculi and lacunae.’
    • ‘It is perforated by microscopic channels; the Haversian canals (described by Havers, an English physician in the seventeenth century) Blood vessels pass through these canals, and bone cells are arranged concentrically around them.’

Origin

Mid 19th century: named after Clopton Havers (1650–1702), English anatomist.

Pronunciation

Haversian canal

/həˌvərZHən kəˈnal/