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thyroid gland

noun, Anatomy
a two-lobed endocrine gland, located at the base of the neck that secretes two hormones that regulate the rates of metabolism, growth, and development.
Origin of thyroid gland
1685-95 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for thyroid gland
  • Lymphatics have been described in the thyroid gland and in the thymus.
  • The thyroid gland is an important organ of the endocrine system.
  • Painful enlargement of the thyroid gland may last for weeks or months.
  • Thyroid nodules are growths of cells in the thyroid gland.
  • The thyroid gland makes up for this by becoming larger.
  • Medullary carcinoma of the thyroid is cancer of the thyroid gland that starts in cells that release a hormone called calcitonin.
  • Toxic nodular goiter involves an enlarged thyroid gland that contains a small rounded growth or growths called nodules.
  • The thyroid gland may also produce a lump, multiple lumps, or swelling in the neck as a result of thyroid disease or cancer.
  • Without enough iodine, the thyroid cells and the thyroid gland become enlarged.
  • Suppurative thyroiditis is a life-threatening infection of the thyroid gland.
British Dictionary definitions for thyroid gland

thyroid gland

an endocrine gland of vertebrates, consisting in man of two lobes near the base of the neck. It secretes hormones that control metabolism and body growth
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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thyroid gland in Medicine

thyroid gland n.
A two-lobed endocrine gland located in front of and on either side of the trachea and producing various hormones, such as calcitonin.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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thyroid gland in Science
thyroid gland

A two-lobed gland that wraps around the trachea and is located at the base of the neck in vertebrate animals. The thyroid gland secretes two important hormones: thyroxine, which regulates the cell metabolism necessary for normal growth and development, and calcitonin, which stimulates the formation of bone and helps regulate the amount of calcium in the blood.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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