1. If blood vessels are damaged, people can suffer an infection, gangrene. �������Ѫ���������ǻ��ܵ���Ⱦ�����ҡ�
2. The indication for surgery was disabling claudication, rest pain and gangrene. ����ָ���Ǽ�Ъ�����У���Ϣʹ��ֺ�˻��ҡ�
3. The doctor explains how he can stitch up blood vessels in a healthy limb, causing it to blacken with gangrene over a few days. ����ҽ������˵�������Խ�Ѫ�ܷ�ϵ�������֫��
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n.
1. necrotic tissue; a mortified or gangrenous part or mass
2. the localized death of living cells (as from infection or the interruption of blood supply) v.
1. undergo necrosis