deciduoma
noun
de·cid·u·oma
| \ -ˈwō-mə
\
\
plural deciduomata\ -mət-ə
\
also deciduomas
\
also deciduomas
Medical Definition of deciduoma
1
: a mass of tissue formed in the uterus following pregnancy that contains remnants of chorionic or decidual tissue
2
: decidual tissue induced in the uterus (as by trauma) in the absence of pregnancy