Biology Define Haversian system Asked by bookragstutor 13 years ago 9/10/2012 1:34 AM Last updated by anonymous 13 years ago 9/10/2012 1:34 AM
One of many structural units of vertebrate bone, consisting of concentric layers of mineralized bone matrix surrounding lacunae, which contain osteocytes, and a central canal, which contains blood vessels and nerves.