Placenta

A highly vascularized mammalian fetal-maternal organ and major site of transport of oxygen, nutrients, and fetal waste products. It includes a fetal portion (CHORIONIC VILLI) derived from TROPHOBLASTS and a maternal portion (DECIDUA) derived from the uterine ENDOMETRIUM. The placenta produces an array of steroid, protein and peptide hormones (PLACENTAL HORMONES).

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Tree Number(s): A16.710

MeSH Unique ID: D010920

Entry Terms:

• Placentas
• Placentome
• Placentomes
• Placentoma, Normal

See Also:

• Maternal-Fetal Exchange
• Placental Circulation

All MeSH Categories
Anatomy Category
Embryonic Structures
Placenta
Chorionic Villi
Decidua
Deciduoma
Trophoblasts
Extravillous Trophoblasts