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Definition of "thyroglobulin" [thyroglobulin]

  • A thyroid protein that is the precursor to iodine-containing hormones and is typically present in the colloid of thyroid gland follicles. (noun)
  • A substance extracted from the thyroid glands of hogs, formerly used as a thyroid hormone supplement to treat hypothyroidism. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Use "thyroglobulin" in a sentence
  • "After a patient's initial treatment, the standard follow-up includes periodic ultrasound exams of the neck as well as blood tests to measure thyroglobulin, a protein that is an excellent tumor marker for differentiated thyroid cancer."
  • "In one of the final steps involved in creating this pure thyroglobulin and assuring it was not altered, Rose injected that thyroglobulin—derived from rabbit thyroids—back into his rabbits."
  • "They had produced antibodies to the thyroglobulin and developed lesions in their thyroids."