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peritoneum

per·i·to·ne·um (per·i·to·nae·um)

peritoneum (peritonaeum)

 
pronunciation:
pe rih t ni m
features:
Word Parts
part of speech: noun
inflections: peritonaea, peritonea
definition: the membrane that lines the abdomen and encloses the abdominal organs.
derivation: peritoneal (adj.)