GENERAL HISTOLOGY

BONE

STRUCTURES

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is a haversian canal?
A
channels lying at right angles to the central canal, connecting blood and nerve supply of the periosteum to that of the Haversian canal
B
one of a network of tubes running through compact bone that contains blood vessels and nerves
C
dense fibrous membrane covering the surface of bones
D
tiny canals that link osteocytes
Explanation: 

Detailed explanation-1: -Haversian canals are a series of tubes around narrow channels formed by lamellae. The Haversian canals surround blood vessels and nerve fibers throughout the bone and communicate with osteocytes. The canals and the surrounding lamellae are called a Haversian system (or an osteon).

Detailed explanation-2: -Haversian canals are a network of tubes found in compact bones. Other types of connective tissue and nerve tissue lack the Haversian canal. This allows the bone to receive oxygen and nutrients without becoming vascularized. These canals also communicate with bone cells via canaliculi, which are specific connections.

Detailed explanation-3: -A Haversian canal is a central canal within the Haversian system, which is a network of canals inside the compact bone. Haversian canals occur in the centre of the compact bone and contain blood vessels, connective tissues, nerve fibres and lymphatic vessels.

Detailed explanation-4: -Haversian canals are microscopic tubes or tunnels in cortical bone that house nerve fibers and a few capillaries. This allows bone to get oxygen and nutrition without being highly vascular. These canals also communicate with bone cells using special connections, or canaliculi.

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