| The American Heritage® Dictionary of the English Language: Fourth Edition. 2000. |
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| Graves' disease |
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| PRONUNCIATION: |  gr vz |
| NOUN: | A condition usually caused by excessive production of thyroid hormone and characterized by an enlarged thyroid gland, protrusion of the eyeballs, a rapid heartbeat, and nervous excitability. Also called exophthalmic goiter. | | ETYMOLOGY: | After Robert James Graves (1797–1853), Irish physician.
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| The American Heritage® Dictionary of the English Language, Fourth Edition. Copyright © 2000 by Houghton Mifflin Company. Published by the Houghton Mifflin Company. All rights reserved. |
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