intussusceptum

noun
in·​tus·​sus·​cep·​tum | \ -ˈsep-təm How to pronounce intussusceptum (audio) \
plural intussuscepta\ -​tə How to pronounce intussuscepta (audio) \

Medical Definition of intussusceptum

: the portion of the intestine that passes into another portion in intussusception