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Medical Dictionary

1

thyroid

play
adjective thy·roid \ˈthī-ˌrȯid\

Medical Definition of thyroid

  1. 1a:  of, relating to, affecting, or being the thyroid gland <thyroid disorders>

  2. 2:  of, relating to, or being the thyroid cartilage



Variants of thyroid

also thy·roi·dal \thī-ˈrȯid-əl\play

2

thyroid

noun thy·roid

Medical Definition of thyroid

  1. 1:  a large bilobed endocrine gland of craniate vertebrates that arises as a median ventral outgrowth of the pharynx, lies in the anterior base of the neck or anterior ventral part of the thorax, is often accompanied by lateral accessory glands sometimes more or less fused with the main mass, and produces especially the hormones thyroxine and triiodothyronine—called also thyroid gland

  2. 2:  a preparation of the thyroid gland of various domesticated food animals (as pigs) containing approximately 110 percent of iodine combined in thyroxine and used in treating thyroid disorders—called also thyroid extract



Illustration of thyroid



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