Haversian system

noun

variants or less commonly haversian system
plural Haversian systems also haversian systems
: a cylindrical unit of bone consisting of a central Haversian canal surrounded by concentric layers of lamella (see lamella sense c) : osteon
The Haversian canals surround blood vessels and nerve fibers throughout the bone. … The canals and the surrounding lamellae are called a Haversian systemJeong-Nam Kim et al.

Word History

First Known Use

1845, in the meaning defined above

Time Traveler
The first known use of Haversian system was in 1845

Dictionary Entries Near Haversian system

Cite this Entry

“Haversian system.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Haversian%20system. Accessed 23 Dec. 2024.

Medical Definition

Haversian system

noun
variants also haversian system
: a cylindrical unit of bone consisting of a central Haversian canal surrounded by concentric layers of lamella (see lamella sense 1a) : osteon
A fully grown Haversian system shapes as a round or oval cylinder … and is composed of a central Haversian canal of blood vessels, nerves, loose connective tissue, and up to 20 concentric lamellae, all running in the longitudinal direction of a bone.Zilan X. Lin et al., Materials Science and Engineering
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!