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The Placenta PowerPoint Presentation
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The Placenta

The Placenta

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The Placenta

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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