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Related Concept Videos

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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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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The Endocrine System01:29

The Endocrine System

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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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What is the Endocrine System?00:46

What is the Endocrine System?

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The endocrine system sends hormones—chemical signals—through the bloodstream to target cells—the cells the hormones selectively affect. These signals are produced in endocrine cells, secreted into the extracellular fluid, and then diffuse into the blood. Eventually, they diffuse out of the blood and bind to target cells which have specialized receptors to recognize the hormones.
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Neural Regulation01:37

Neural Regulation

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Digestion begins with a cephalic phase that prepares the digestive system to receive food. When our brain processes visual or olfactory information about food, it triggers impulses in the cranial nerves innervating the salivary glands and stomach to prepare for food.
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The Tumor Microenvironment02:17

The Tumor Microenvironment

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Every normal cell or tissue is embedded in a complex local environment called stroma, consisting of different cell types, a basal membrane, and blood vessels. As normal cells mutate and develop into cancer cells, their local environment also changes to allow cancer progression. The tumor microenvironment (TME) consists of a complex cellular matrix of stromal cells and the developing tumor. The cross-talk between cancer cells and surrounding stromal cells is critical to disrupt normal tissue...
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Related Experiment Video

Updated: May 27, 2025

Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy
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Human Neuroendocrine Tumor Cell Lines as a Three-Dimensional Model for the Study of Human Neuroendocrine Tumor Therapy

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[Neuroendocrine tumors].

Aziz Chouchane1, Konstantin Bräutigam2,3, Aurel Perren2

  • 1Institut für Gewebemedizin und Pathologie, Universität Bern, Bern, Schweiz. aziz.chouchane@unibe.ch.

Pathologie (Heidelberg, Germany)
|February 19, 2025
PubMed
Summary
This summary is machine-generated.

Diagnosing neuroendocrine tumors (NETs) requires integrating clinical, imaging, and pathology data. Advances in molecular pathology and grading systems are crucial for accurate prognosis and treatment of these diverse neoplasms.

Keywords:
ClassificationImmunohistochemistryLungPancreasTumor grading

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Area of Science:

  • Oncology
  • Pathology
  • Endocrinology

Background:

  • Neuroendocrine tumors (NETs) are a heterogeneous group of neoplasms arising from neuroendocrine cells.
  • Diagnosis of NETs is challenging due to varied clinical presentations, morphology, and behavior.

Purpose of the Study:

  • To provide general pathologists with key diagnostic principles for NETs.
  • To emphasize a multidisciplinary approach integrating diverse data sources.
  • To discuss recent advances impacting NET diagnosis and management.

Main Methods:

  • Review of diagnostic principles for neuroendocrine tumors.
  • Integration of clinical, radiological, histopathological, and immunohistochemical data.
  • Discussion of novel markers, molecular pathology, and grading systems.

Main Results:

  • Accurate NET diagnosis relies on a comprehensive, multidisciplinary approach.
  • Emerging markers and molecular techniques enhance diagnostic precision.
  • Grading systems significantly impact prognostic assessment and therapeutic decisions.

Conclusions:

  • A collaborative diagnostic strategy is essential for effective neuroendocrine tumor management.
  • Continued advancements in molecular pathology and diagnostics are transforming NET care.
  • Standardized grading is critical for predicting patient outcomes and guiding treatment.