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  2. Hypothyroidism - Wikipedia

    en.wikipedia.org/wiki/Hypothyroidism

    Hypothyroidism (also called underactive thyroid, low thyroid or hypothyreosis) is a disorder of the endocrine system in which the thyroid gland does not produce enough thyroid hormones. [3] It can cause a number of symptoms, such as poor ability to tolerate cold , extreme fatigue, muscle aches , constipation , slow heart rate , depression , and ...

  3. Hypothalamic–pituitary–thyroid axis - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    Short overview of thyroid homeostasis. [1]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.

  4. Thyrotropin-releasing hormone - Wikipedia

    en.wikipedia.org/wiki/Thyrotropin-releasing_hormone

    The hypothalamic-pituitary-thyroid axis. TRH can be seen in green. TRH is synthesized within parvocellular neurons of the paraventricular nucleus of the hypothalamus. [2] It is translated as a 242-amino acid precursor polypeptide that contains 6 copies of the sequence -Gln-His-Pro-Gly-, with both ends of the sequence flanked by Lys-Arg or Arg-Arg sequences.

  5. Category : Hormones of the hypothalamus-pituitary-thyroid axis

    en.wikipedia.org/wiki/Category:Hormones_of_the...

    Pages in category "Hormones of the hypothalamus-pituitary-thyroid axis" The following 8 pages are in this category, out of 8 total. This list may not reflect recent changes .

  6. Hypothalamic–pituitary hormone - Wikipedia

    en.wikipedia.org/wiki/Hypothalamic–pituitary...

    They can be classified as a hypothalamic–pituitary axis (HP axis) of which the adrenal (HPA Tooltip hypothalamic–pituitary–adrenal axis), gonadal (HPG Tooltip hypothalamic–pituitary–gonadal axis), thyroid (HPT Tooltip hypothalamic–pituitary–thyroid axis), somatotropic (HPS Tooltip hypothalamic–pituitary–somatotropic axis), and ...

  7. TRH stimulation test - Wikipedia

    en.wikipedia.org/wiki/TRH_stimulation_test

    TRH-stimulation testing however continues to be useful for the differential diagnosis of secondary (pituitary disorder) and tertiary (hypothalamic disorder) hypothyroidism. Patients with these conditions appear to have physiologically inactive TSH in their circulation that is recognized by TSH assays to a degree such that they may yield ...

  8. Euthyroid sick syndrome - Wikipedia

    en.wikipedia.org/wiki/Euthyroid_sick_syndrome

    This condition may result from allostatic responses of hypothalamus-pituitary-thyroid feedback control, dyshomeostatic disorders, drug interferences, and impaired assay characteristics in critical illness. The classical phenotype of this condition is often seen in starvation, critical illness, or patients in the intensive care unit.

  9. Thyroid - Wikipedia

    en.wikipedia.org/wiki/Thyroid

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

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