What is a Haversian Canal?
Haversian canals are a series of microscopic tubes in the outermost region of bone . They allow blood vessels to travel through them.
The channels are formed by concentric layers called lamellae.
Each haversian canal contains one or two capillaries and nerve fibres. They surround blood vessels and nerve cells throughout bones and communication with bone cells.
Haversian canals are contained within osteons , which are arranged along the long axis of the bone, parallel to the surface.