| osteon |
Osteons (also called Haversian system in honor of Clopton Havers) are predominant structures found in some lamellar or compact bone. Osteons run parallel to the long axis of bones. In the center of the osteon is a central canal, sometimes called osteon or Haversian canal. The central canal is surrounded by concentric layers of matrix called lamellae. Collagen fibers in a lamellae run parallel to each other but the orientation of collagen fibers across separate lamellae is oblique. ...
출처: en.wikipedia.org/wiki/Osteon
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| osteonecrosis |
What is Osteonecrosis?Osteonecrosis literally means “dead bone.” It most often refers to a form of arthritis in which one of the bones of a joint is affected by osteonecrosis, leading to arthritis in the joint. Osteonecrosis is known by many other names, such as avascular necrosis or ischemic necrosis. Osteonecrosis occurs because of a decrease in blood supply to specific parts of bones. This decreased circulation causes cells in the bone and bone marrow to begin to die. ...
출처: en.wikipedia.org/wiki/Osteonecrosis
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| osteon |
OSS-tee-on Concentric circles of osteocytes in bone. 688
출처: www.mhhe.com/biosci/genbio/life/glossaryo.mhtml
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| osteonecrosis |
Poor blood supply to an area of bone resulting in bone death and tissue damage.
출처: www.lsdn.com/glance_glossary.shtml
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| osteonecrosis |
can be a reason for orthopaedic surgery to the hip (especially young people). It indicates the death of certain types of tissue either without a blood supply or a poor supply of blood; eg in the cartilage or bone. Thus osteonecrosis means death of bone.
출처: www.arc.org.uk/about_arth/glossary.htm
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