Haversian canal


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Related to Haversian canal: Volkmann's canal, canaliculi

Haversian canal

[hə′vər·zhən kə‚nal]
(histology)
The central, longitudinal channel of an osteon containing blood vessels and connective tissue.
References in periodicals archive ?
(h;) Enlarged view showing blood vessels within Haversian canals. However, a mixture of viable and necrotic bones was found.
By the cross-sectional diameter of large osteons, wall thickness, and cross-sectional diameter of large Haversian canals located in perimedullary zones of the long bones studied, they exceed the same indices in subperiosteal zone.
(9) Unaffected areas of the jaw in patients with BRONJ have prominent trabecular structures and smaller and fewer Haversian Canals. (10) Aminobisphosphonates (alendronate and pamidronate) also have an antiangiogenic effect, (3,4) which, while preventing metastatic disease to the bone, may play a role in the pathogenesis.
The rubbery matrix found in people deficient of cholecalciferol does not provide sufficient trabecular and collagenous support but instead hydrates and expands the bone, causing an outward pressure on the internal Haversian canals and external periosteal covering, richly innervated with sensory pain fibres.