Physiology and Medicine. Of or relating to decidua; = decidual, adj.

Of or relating to decidua; of the nature of or consisting of decidua.

Used in regard to other structures: see cervix, n. spec. of or pertaining to the cervix of the womb.

Of or relating to the parametrium.

Relating to, involving, or designating the region surrounding the cervix.

Of endometrial cells or tissue: exhibiting changes characteristic of decidua; having undergone decidualization.