Haversian system


Also found in: Dictionary, Thesaurus, Medical, Wikipedia.

Haversian system

[hə′vər·zhən ‚sis·təm]
(histology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
We present a case of postoperative osseous metaplasia in the maxillary sinus that led to the formation of mature bone with a well-developed haversian system and bone marrow.
The basic functional unit of mature compact bone is the osteon or Haversian system. In an osteon, the osteocytes are arranged in concentric layers around a central canal, or Haversian canal.
Microscopically, whale bone has a more pronounced Haversian system (the network of spaces through which blood vessels ramify in bone) throughout the cortex.
Histological alteration of bone architecture is known to occur with a disorganization of the highly ordered Haversian system, a reduced number of resident osteocytes, and a reduced overall bone mass and density.