deciduoma

de·cid·u·oma

noun \-ˈwō-mə\

plural de·cid·u·oma·ta \-mət-ə\ also de·cid·u·omas

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