Thyroid Gland

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Revision as of 00:45, 24 March 2024 by Lisa (talk | contribs) (Created page with "thumb|Thyroid Gland <ref>[https://commons.wikimedia.org/wiki/File:Thyroid_dummy.jpg]</ref> The thyroid, or Thyroid Gland, is an endocrine gland in vertebrates. In humans, it is in the neck and consists of two connected lobes. The lower two thirds of the lobes are connected by a thin band of tissue called the isthmus. The thyroid gland is a butterfly-shaped gland located in the neck below the Adam's apple. Microscopically, the functional...")
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Thyroid Gland [1]

The thyroid, or Thyroid Gland, is an endocrine gland in vertebrates. In humans, it is in the neck and consists of two connected lobes. The lower two thirds of the lobes are connected by a thin band of tissue called the isthmus. The thyroid gland is a butterfly-shaped gland located in the neck below the Adam's apple.

Microscopically, the functional unit of the thyroid gland is the spherical thyroid follicle, lined with follicular cells (thyrocytes), and occasional parafollicular cells that surround a lumen containing colloid. The thyroid gland secretes three hormones: the two thyroid hormones – triiodothyronine (T3) and thyroxine (T4) – and a peptide hormone, calcitonin. The thyroid hormones influence the metabolic rate and protein synthesis and growth and development in children. [2]

  1. ↑ [1]
  2. ↑ wiki
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