这个词是什么意思？
An ulceration caused by prolonged pressure on the SKIN and TISSUES when one stays in one position for a long period of time, such as lying in bed. The bony areas of the body are the most frequently affected sites which become ischemic (ISCHEMIA) under sustained and constant pressure.
中文名称索引；定义为 MeSH 英文原文，尚未逐条译审。MESH:D003668 · MeSH 2026。
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