Decidua

The hormone-responsive glandular layer of ENDOMETRIUM that sloughs off at each menstrual flow (decidua menstrualis) or at the termination of pregnancy. During pregnancy, the thickest part of the decidua forms the maternal portion of the PLACENTA, thus named decidua placentalis. The thin portion of the decidua covering the rest of the embryo is the decidua capsularis.

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Tree Number(s): A05.360.319.679.490.373, A16.710.289

MeSH Unique ID: D003656

Entry Terms:

• Deciduas
• Deciduum

All MeSH Categories
Anatomy Category
Urogenital System
Genitalia
Genitalia, Female
Uterus
Endometrium
Decidua
Deciduoma

All MeSH Categories
Anatomy Category
Embryonic Structures
Placenta
Decidua
Deciduoma