Avascular necrosis (osteonecrosis) - Learn more
Muscles, bones and joints collection
•
1m 9s
Avascular necrosis describes the death of bone tissue that occurs when the blood supply to an area of bone is cut off. It causes severe damage to the bone and is also known as ischemic bone necrosis, aseptic necrosis, bone infarction and osteonecrosis.
Up Next in Muscles, bones and joints collection
-
Back pain - Learn more
Back pain is a common symptom of different underlying conditions such as arthritis and muscular sprains. Most back pain improves with appropriate treatment. However, prevention through good posture and safe lifting is equally important.
-
Baker's cyst - Learn more
Baker's cyst is an abnormal swelling at the back of the knee due to a build-up of fluid within a bursa. A bursa is a fluid-filled sac that reduces friction at a joint. Injury or disease causes this condition which can be painful and reduce movement at the joint.
-
Bunions - Learn more
A bunion forms when the big toe changes its normal alignment, so that it points inwards towards the second toe. This misalignment puts pressure on the joint at the base of the big toe and a bony lump can form on the outer side of the toe where it meets the foot. Bunions can become red, swollen an...