The decidua, like secretory endometrium, consists of three layers: the superficial compact layer, the intermediate spongy layer, the thin basal layer. Click to see full answer. Also, what are the layers of decidua?Three morphologically distinct layers of the decidua basalis can then be described: Compact outer layer (stratum compactum) Intermediate layer (stratum spongiosum) Boundary layer adjacent to the myometrium (stratum basalis)Also, what is the decidua Capsularis? Medical Definition of decidua capsularis : the part of the decidua in the pregnant human female that envelops the embryo Common wisdom holds that by the fourth month of human pregnancy the decidua capsularis fuses with the decidua vera, thereby obliterating the uterine cavity.— Similarly, what are the three layers of the placenta? The three potential maternal layers in a placenta are: Endothelium lining endometrial blood vessels. Connective tissue of the endometrium. Endometrial epithelial cells. What is Nitabuch layer? Nitabuch membrane a layer of fibrin (fibrinoid material) between the boundary zone of compact endometrium and the cytotrophoblastic shell in the placenta. Synonym(s): Nitabuch layer, Nitabuch stria.