GENERAL HISTOLOGY

Detailed explanation-1: -Avascular necrosis occurs when blood flow to a bone is interrupted or reduced. Reduced blood supply can be caused by: Joint or bone trauma. An injury, such as a dislocated joint, might damage nearby blood vessels.

Detailed explanation-2: -Tissues that do not contain blood vessels or lymphatic system are referred to as avascular tissues. Examples of avascular tissue include epithelial cells, cornea of the eye and cartilage.

Detailed explanation-3: -Listen to pronunciation. (ay-VAS-kyoo-ler neh-KROH-sis) A condition in which there is a loss of blood flow to bone tissue, which causes the bone to die. It is most common in the hips, knees, shoulders, and ankles.

Detailed explanation-4: -Avascular necrosis is a disease that results from the temporary or permanent loss of blood supply to the bone. It happens most commonly in the ends of a long bone. Avascular necrosis may be the result of injury, use of medicines, or alcohol. Symptoms may include joint pain and limited range of motion.

Detailed explanation-5: -Avascular necrosis is a painful bone condition that gets worse over time and can affect your mobility. It occurs when something cuts off blood flow to one of your bones. Causes include broken bones, dislocated hips, radiation therapy and alcohol misuse.