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Author Question: The chorion develops into the ________, a pancakelike structure that is attached to the endometrium ... (Read 25 times) |
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Thyroid conditions may make getting pregnant impossible.
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Ether was used widely for surgeries but became less popular because of its flammability and its tendency to cause vomiting. In England, it was quickly replaced by chloroform, but this agent caused many deaths and lost popularity.
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Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.
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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.