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関連する概念動画

Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

8.5K
Low blood levels of the thyroid hormones — triiodothyronine (T3) and thyroxine (T4) — signal the hypothalamus to release the thyrotropin-releasing hormone (TRH). TRH then reaches the pituitary gland and stimulates the release of thyroid-stimulating hormone(TSH) into the bloodstream.
Upon reaching the thyroid gland, TSH stimulates the follicular cells' active uptake of iodide ions from the blood. The ions diffuse to the apical surface of the cells and are oxidized to iodine. The...
8.5K
Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

6.2K
The thyroid hormone (TH) plays a pivotal role in the intricate orchestration of physiological processes, exerting profound effects on development, metabolism, and homeostasis throughout different life stages.
TH is indispensable for the normal development and maturation of the skeletal, muscular, and nervous systems during fetal and childhood growth. It facilitates bone mineral turnover and regulates protein synthesis in developing tissues, contributing significantly to overall growth and...
6.2K
The Thyroid Gland01:23

The Thyroid Gland

8.1K
The thyroid gland is a small, butterfly-shaped gland located in the neck and covers the anterior surface of the trachea. The gland has two lateral lobes connected by a thin tissue mass called the isthmus. Internally, each lobe comprises many small spherical structures known as thyroid follicles, surrounded by a network of blood vessels.
The follicles have a central cavity lined by simple cuboidal to squamous epithelial cells called follicular cells. These cells produce the glycoprotein...
8.1K
Major Hormones and Their Functions01:27

Major Hormones and Their Functions

2.3K
Hormones, the biochemical messengers produced by endocrine glands, are pivotal in regulating bodily functions and maintaining homeostasis. Each hormone's balance is crucial; imbalances can lead to significant physiological disruptions. Major hormones include oxytocin, cortisol, epinephrine, estrogen, testosterone, thyroxine, growth hormone, insulin, and glucagon.
Oxytocin, produced in the hypothalamus and released by the pituitary gland, plays a role in social bonding, childbirth, and...
2.3K
Decreased pulse rate01:14

Decreased pulse rate

987
Bradycardia is a medical condition in which the heart rate is slower than normal. It occurs when the heart's natural pacemaker, the sinus node, generates slower electrical impulses than the standard rhythm. In adults, bradycardia is diagnosed when the pulse rate falls below 60 beats per minute, indicating a deviation from the normal heart rate range.
There are specific risk factors that can elevate the likelihood of developing bradycardia. Advanced age is a significant factor, with...
987
Hormones and Bone Tissue01:17

Hormones and Bone Tissue

4.1K
The endocrine system produces and secretes hormones, which interact with the skeletal system. These hormones control bone growth, maintain bone once it is formed, and remodel it.
Hormones That Influence Osteoblasts and/or Maintain the Matrix
Several hormones are necessary for controlling bone growth and maintaining the bone matrix. The pituitary gland secretes growth hormone (GH), which, as its name implies, controls bone growth. This happens in several ways: first, it triggers chondrocyte...
4.1K

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関連する実験動画

Updated: Mar 5, 2026

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
04:39

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model

Published on: March 17, 2023

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甲状腺機能低下

Layal Chaker1, Antonio C Bianco2, Jacqueline Jonklaas3

  • 1Academic Centre for Thyroid Disease, Erasmus University Medical Centre, Rotterdam, Netherlands.

Lancet (London, England)
|March 25, 2017
PubMed
まとめ
この要約は機械生成です。

甲状腺ホルモンの欠乏症である甲状腺機能低下症は よく見られますが 治療を怠ると致命的になります レボチロキシンが治療する一方で,多くの患者は正常な生化学レベルでも症状を経験します.

さらに関連する動画

Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model
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Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model

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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis
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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis

Published on: February 9, 2024

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関連する実験動画

Last Updated: Mar 5, 2026

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model
04:39

Generation of a Mouse Spontaneous Autoimmune Thyroiditis Model

Published on: March 17, 2023

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Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model
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Author Spotlight: In Vivo Assessment of Thyroid Hormone Disruption Using the THAI Mouse Model

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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis
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Author Spotlight: Integrating Ultrasound Imaging with Biochemical Markers for Thyroid Disease Diagnosis

Published on: February 9, 2024

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科学分野:

  • 内分泌学
  • 内科 医学

背景:

  • 甲状腺機能低下症は,甲状腺ホルモンの欠乏によって特徴づけられる一般的な内分泌疾患です.
  • 診断は生化学的パラメータに依存しますが,定義と臨床的な表現は大きく異なります.
  • 重度の甲状腺機能低下は 生命を脅かす危険性があります

研究 の 目的:

  • 甲状腺機能低下症について 総合的な見直しをするため
  • 診断,治療,管理に関する現在の証拠を議論する.
  • 甲状腺ホルモン欠乏症の将来の研究方向を特定する.

主な方法:

  • 甲状腺機能低下に関する疫学データのレビュー
  • 異なる人口集団における臨床的症状の分析
  • 診断と治療の有効性に関する証拠の要約

主要な成果:

  • 甲状腺機能低下症は,疲労,体重増加,寒さ不耐症など,様々な症状を呈する.
  • レボチロキシンによる標準的な治療は,すべての患者の苦情を解決しない場合があります.
  • 生化学的目標に達した患者の症状が持続する場合は,さらなる調査が必要である.

結論:

  • 甲状腺機能低下症の診断と治療には 注意が必要です 甲状腺機能低下症の診断と治療には 注意が必要です
  • 治療中の患者の症状を治療するためにさらなる研究が必要である.
  • 甲状腺ホルモン欠乏症の管理戦略を最適化することは,依然として重要な臨床的課題です.