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Related Concept Videos

The Thyroid Gland01:23

The Thyroid Gland

8.0K
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...
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Synthesis and Regulation of Thyroid Hormones01:20

Synthesis and Regulation of Thyroid Hormones

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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...
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Functions of Thyroid Hormones01:18

Functions of Thyroid Hormones

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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...
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Major Hormones and Their Functions01:27

Major Hormones and Their Functions

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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...
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Increased pulse rate01:17

Increased pulse rate

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Tachycardia is a condition marked by an abnormally fast or irregular heart rate, surpassing the typical resting rate. In adults, tachycardia is characterized by a pulse rate ranging from 100 to 180 beats per minute. The increased heart rate can result in inadequate blood flow to various body parts, ultimately diminishing the oxygen supply to organs and tissues.
Many factors can elevate the risk of developing tachycardia. These include advanced age, a family history of arrhythmias, and an...
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Adrenal Gland Disorders01:27

Adrenal Gland Disorders

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Adrenal gland disorders manifest when the production of adrenal hormones deviates from the norm, resulting in either excessive or insufficient concentrations.
Adrenal insufficiency, characterized by insufficient cortisol and aldosterone production, leads to conditions like Addison's disease. This disorder, affecting the adrenal cortex, exhibits symptoms such as skin bronzing, dehydration, low blood pressure, fatigue, and weight loss. Congenital adrenal hyperplasia, a genetic ailment causing...
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Related Experiment Video

Updated: Feb 21, 2026

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

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[Hyperthyroidism in family medecine].

M Bernier1, E Varlet1

  • 1Médecine générale.

Revue Medicale De Bruxelles
|October 6, 2017
PubMed
Summary
This summary is machine-generated.

Hyperthyroidism and sub-hyperthyroidism are common endocrine disorders. Early diagnosis and treatment, often managed by general practitioners, involve clinical exams, blood tests, and imaging, with beta-blockers as a primary treatment.

Keywords:
Atrial fibrillationFamily practiceHyperthyroidismOsteoporosis

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Area of Science:

  • Endocrinology
  • Internal Medicine

Context:

  • Hyperthyroidism and sub-hyperthyroidism are prevalent endocrine conditions.
  • Diagnosis and management are frequently within the scope of general practice.

Purpose:

  • To outline the accessible diagnostic and therapeutic strategies for hyperthyroidism.
  • To highlight the importance of recognizing severe forms and comorbidities.

Summary:

  • Diagnosis relies on clinical examination, blood tests (TSH), ultrasound, and scintigraphy.
  • Initial treatment involves beta-blockers; severe cases require specialist referral.
  • Key comorbidities include cardiovascular issues (atrial fibrillation) and skeletal problems (osteoporosis).

Impact:

  • Screening for thyroid dysfunction is recommended, particularly for women over 65, due to increased cardiovascular and fracture risks.
  • Annual TSH testing is a simple, minimally invasive screening method for at-risk populations.