Decidua basalis

Decidua basalis is the part of the endometrium (the inner lining of the uterus) that interacts with the trophoblast of the embryo during the early stages of pregnancy. It is also known as the basal decidua.

Function

The decidua basalis plays a crucial role in the establishment of pregnancy. It provides the site for implantation of the blastocyst, the early stage of the embryo, and contributes to the formation of the placenta, the organ that provides nourishment and oxygen to the developing fetus.

Structure

The decidua basalis is characterized by large, swollen epithelial cells known as decidual cells. These cells undergo a process called decidualization, in which they become secretory in nature and produce a variety of substances that support the growth and development of the embryo.

Clinical significance

Abnormalities in the decidua basalis can lead to complications in pregnancy, including miscarriage, pre-eclampsia, and placental abruption. Therefore, understanding the function and structure of the decidua basalis is important in the field of obstetrics and gynecology.

See also

• Decidua
• Decidua capsularis
• Decidua parietalis
• Endometrium
• Trophoblast
• Blastocyst
• Placenta

References

Decidua basalis Resources
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