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Vital Functions of the Placenta in Maternal-Fetal Exchange

The placenta, consisting of chorionic villi that project into the endometrium, facilitates the exchange of essential materials between the mother and the fetus. Maternal blood vessels surrounding the villi form blood sinuses, allowing for the transfer of oxygen, glucose, amino acids, lipids, vitamins, ions, and more. However, it can also transmit harmful substances like alcohol, drugs, and viruses. This informative text includes diagrams depicting chorionic villi and tables illustrating material exchange across the placenta.

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Vital Functions of the Placenta in Maternal-Fetal Exchange

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  1. The Placenta

  2. The Placenta

  3. The Placenta

  4. The Placenta

  5. The Placenta The placenta consists of thousands of tiny branched fingers of tissue called CHORIONIC VILLI these project into the endometrium. The maternal blood vessels surrounding the chorionic villi break down forming maternal blood sinuses

  6. The Placenta Diagram showing chorionic villi

  7. Table showing exchange of materials across the placenta Mother to Foetus Foetus to Mother • Oxygen • Glucose • Amino acids • Lipids, fatty acids & glycerol • Vitamins • Ions; Na, Cl, Ca, Fe • Alcohol, nicotine + other drugs • Viruses • Antibodies • Carbon dioxide • Urea • Other waste products The Placenta

  8. The Placenta

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