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The hypothalamic–pituitary–thyroid axis ( HPT axis for short, a.k.a. thyroid homeostasis or thyrotropic feedback control) is part of the neuroendocrine system responsible for the regulation of metabolism and also responds to stress. As its name suggests, it depends upon the hypothalamus, the pituitary gland, and the thyroid gland .
Thyroid hormones are any hormones produced and released by the thyroid gland, namely triiodothyronine ( T3) and thyroxine ( T4 ). They are tyrosine -based hormones that are primarily responsible for regulation of metabolism. T 3 and T 4 are partially composed of iodine, derived from food. [2] A deficiency of iodine leads to decreased production ...
Euthyroid sick syndrome. Euthyroid sick syndrome ( ESS) is a state of adaptation or dysregulation of thyrotropic feedback control [1] wherein the levels of T3 and/or T4 are abnormal, but the thyroid gland does not appear to be dysfunctional. This condition may result from allostatic responses of hypothalamus-pituitary-thyroid feedback control ...
Triiodothyronine, also known as T3, is a thyroid hormone. It affects almost every physiological process in the body, including growth and development, metabolism, body temperature, and heart rate. [1]
YouTube (formerly YouTube Spotlight) is the official YouTube channel for the American video-sharing platform YouTube, spotlighting videos and events on the platform. Events shown on the channel include YouTube Comedy Week and the YouTube Music Awards .
When taking a look at TLC's programming, it's sort of hard to remember that TLC at one time stood for The Learning Channel. What once was a channel dedicated to educational programming, is now ...
The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain, is a country in Northwestern Europe, off the coast of the continental mainland.
A sharp increase in the general public impulsively wandering about their local area in search of tornadoes similarly is largely attributable to these factors. The 2007–2011 Discovery Channel reality series Storm Chasers produced another surge in activity. Over the years the nature of chasing and the characteristics of chasers shifted.