Placenta
| Medical Definition: |
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). |
| Guide Notes: |
mammals only; check the tags FEMALE & PREGNANCY; /blood supply: consider PLACENTAL CIRCULATION; placental serum or placental blood = PLACENTA + BLOOD |
Placenta Medical Definitions and Terms
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 CANADIAN
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