Definition of "intraperitoneal" [intraperitoneal]

• Within the cavity of the peritoneum (adjective)

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• "January also brought enthusiastic endorsement by the National Cancer Institute of an older technique -- called intraperitoneal (IP) therapy -- as the new standard of care for advanced ovarian cancer."
• "A joint British-Canadian trial of the new technique, known as intraperitoneal chemotherapy, will be launched at Barts and The London School of Medicine and Dentistry."
• "“Receiving treatment by way of intravenous, intraperitoneal or intrathecal chemotherapy;”"