DR ISABELLE LAZARETH, ISM / SCIENCE PHOTO LIBRARY DR ISABELLE LAZARETH, ISM / SCIENCE PHOTO LIBRARY
Close-up of the ankle of an elderly female patient, showing skin grafts on post-bullous ulcers. This ulceration (that first appeared as blisters) was caused by impaired blood flow due to heart failure (insufficiency). Here, grafts of skin from the patient have been placed in the ulcers to assist healing.
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