SC and Avascular Necrosisby
Avascular Necrosis (AVN), government name osteonecrosis, is defined as death of the bone due to reduced or limited blood supply to the bone tissue. The necrosis (or death), leads to a thick scar tissue...
The Down syndrome Glossaryby
Acute: Of abrupt onset, in reference to a disease. Acute... of a structure to be tubular.
Birth defect: Any defect present in a baby at birth, irrespective...