1. in a manner relating to or involving the peritoneum (the membrane lining the abdominal cavity)
Usage: medical

Examples

• The medication was administered peritoneally to treat the infection.
• The surgeon examined the organs peritoneally during the procedure.
• Fluid was injected peritoneally into the laboratory mice.
• The cancer had spread peritoneally throughout the abdominal cavity.
• Dialysis can be performed peritoneally as an alternative to hemodialysis.