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Related Concept Videos

The Endocrine System01:29

The Endocrine System

1.0K
The endocrine system is an extensive network of glands – organs or tissues in the body that create chemicals that control many bodily functions, that secrete hormones, which are chemical messengers that play essential roles in regulating various bodily functions. These hormones are secreted into the bloodstream and travel throughout the body. They require specific receptors to convey signals to cells possessing these corresponding receptors. This complex signaling mechanism ensures that...
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Regulation of Metabolism01:19

Regulation of Metabolism

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Cellular needs and conditions vary from cell to cell and change within individual cells over time. For example, the required enzymes and energetic demands of stomach cells are different from those of fat storage cells, skin cells, blood cells, and nerve cells. Furthermore, a digestive cell works much harder to process and break down nutrients during the time that closely follows a meal compared with many hours after a meal. As these cellular demands and conditions vary, so do the amounts and...
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An Overview of the Endocrine System01:10

An Overview of the Endocrine System

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The endocrine system, a complex network of glands, orchestrates physiological balance within the body through the production and secretion of hormones. These hormones are chemical messengers in intercellular communication, acting as conduits between the secretory cells and distant target sites. They traverse the circulatory system by being released into the extracellular fluid, and their impact is specific to cells possessing receptors for a particular hormone.
The endocrine system collaborates...
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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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Structures of the Endocrine System00:59

Structures of the Endocrine System

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The intricate framework of the endocrine system encompasses a diverse array of glands, with their target tissues and organs strategically distributed throughout the body. Central to this network are the endocrine glands, specialized structures that lack ducts and release hormones directly into the interstitial fluid. Notably, the hypothalamus, a vital neuroendocrine organ situated in the brain, governs neural functions and serves as a potent source of hormonal regulation. Near the hypothalamus...
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Target Cell Response to Hormones01:22

Target Cell Response to Hormones

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Hormones intricately bind to receptors on the surface or within target cells, initiating a cascade of cellular responses.
Notably, the cellular response can be regulated by altering the number of receptors expressed in the cell. For example, prolonged exposure to elevated hormone levels results in a gradual decline or down-regulation in the number of receptors for that specific hormone on the cell surface. Conversely, in response to low hormone levels, cells may use up-regulation, producing an...
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Related Experiment Video

Updated: Dec 10, 2025

Hyperinsulinemic-euglycemic Clamps in Conscious, Unrestrained Mice
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Metabolic and Endocrine Challenges.

Gennaro Martucci1, Eleonora Bonicolini1, Dhruv Parekh2

  • 1Department of Anesthesia and Intensive Care, IRCCS-ISMETT (Istituto Mediterraneo per i Trapianti e Terapie ad alta Specializzazione), Palermo, Italy.

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Summary
This summary is machine-generated.

Intensive care medicine involves complex metabolic and endocrine challenges. This review covers diagnosis and management of conditions like diabetic coma, adrenal crisis, and thyroid emergencies.

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Area of Science:

  • Critical Care Medicine
  • Endocrinology
  • Metabolic Disorders

Background:

  • Metabolic and endocrine disorders are common in intensive care units (ICUs).
  • These conditions often present with nonspecific symptoms and can complicate other organ failures.
  • Rarely, endocrine disorders manifest as isolated syndromes, posing diagnostic and management challenges.

Purpose of the Study:

  • To provide a comprehensive overview of metabolic and endocrine challenges in intensive care.
  • To highlight diagnostic tools, clinical presentations, and management strategies for critical endocrine conditions.
  • To equip clinicians with knowledge for early diagnosis and prompt treatment of these emergencies.

Main Methods:

  • Review of current literature on endocrine and metabolic emergencies in critical care.
  • Synthesis of information on diagnostic approaches and therapeutic pathways.
  • Focus on common clinical presentations and management strategies.

Main Results:

  • Endocrine challenges frequently accompany other organ failures or result from prolonged ICU stays and malnutrition.
  • Acute exacerbations are often triggered by infections, trauma, surgery, or hemorrhage.
  • Specific syndromes reviewed include diabetic coma, hyponatremia, hypercalcemia, thyroid emergencies, pituitary insufficiency, adrenal crisis, and vitamin D deficiency.

Conclusions:

  • Early diagnosis and prompt management are crucial for improving outcomes in critically ill patients with endocrine disorders.
  • Understanding specific endocrine syndromes and their triggers is essential for effective treatment.
  • This review provides a practical guide to managing these complex conditions in the ICU setting.