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thyroid gland

American  

noun

Anatomy.
thyroid glands plural
  1. 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.


thyroid gland British  

noun

  1. 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

thyroid gland Scientific  
/ thīroid′ /
  1. 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.


Other Word Forms

Noun Inflected Forms

Etymology

Origin of thyroid gland

First recorded in 1685–95

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Russian scientists working with government agencies claim to have bioprinted human cartilage tissue and a mouse thyroid gland, with the aim of achieving human organ replacement by 2030.

From The Wall Street Journal May 29, 2026

About 80% of people with an overactive thyroid gland have it.

From BBC Aug. 7, 2024

Dorio, 72, said it was expected to take about three hours to remove the tumor and half of Clough’s thyroid gland.

From Los Angeles Times Apr. 13, 2024

These include thyroid-stimulating hormone, or TSH, which stimulates the thyroid gland to release two other hormones: triiodothyronine, or T3, and thyroxine, or T4.

From Salon Feb. 7, 2024

My zoology thesis was a functional analysis of the thyroid gland of the three-toed sloth.

From "Life of Pi" by Yann Martel

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