Decidua

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Decidua \De*cid"u*a\ (?; 135), n. [NL., fr. L. deciduus. See
     {Deciduous}.] (Anat.)
     The inner layer of the wall of the uterus, which envelops the
     embryo, forms a part of the placenta, and is discharged with
     it.
     [1913 Webster]



From WordNet (r) 2.0 [wn]:

  decidua
       n : the epithelial tissue of the endometrium
       [also: {deciduae} (pl)]