| 21. | He demonstrated this by removing the parathyroid glands from laboratory animals and witnessing their deaths from tetany.
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| 22. | The four parathyroid glands are situated upon the dorsal ( back ) surface of the thyroid gland.
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| 23. | Parathyroid chief cells make up the majority of the parathyroid gland along with adipocytes and oxyphil cells.
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| 24. | Though the parathyroid glands are usually located on the back of the thyroid, their position is variable.
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| 25. | However, the remaining parathyroid glands may take hours to several weeks to return to their normal functioning levels.
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| 26. | Gley realized that the cause of tetany after thyroid operations was the inadvertent destruction of the parathyroid glands.
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| 27. | See the endocrinologist, who concluded that Bill's parathyroid glands needed to come out and summoned the appropriate surgeon.
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| 28. | The patient now has two thyroid glands, both of which appear to work, as well as eight parathyroid glands.
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| 29. | In the neck are the "'thyroid "'and parathyroid glands, that secrete hormones that control metabolism and blood calcium levels.
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| 30. | Etcalcetide binds to the CaSR on the parathyroid gland, which results in receptor activation and ultimately reduction in PTH.
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