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Related Concept Videos

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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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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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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Types of Hormones02:13

Types of Hormones

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Hormones can be classified into three main types based on their chemical structures: steroids, peptides, and amines. Their actions are mediated by the specific receptors they bind to on target cells.
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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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Hormonal Regulation01:40

Hormonal Regulation

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Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
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Database choices in endocrine systematic reviews.

Matt Vassar, Branden Carr, Melissa Kash-Holley

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    |October 30, 2015
    PubMed
    Summary
    This summary is machine-generated.

    Systematic reviews most often use traditional bibliographic databases, but researchers are increasingly exploring clinical trials registries and gray literature. This study highlights database utilization trends for information specialists.

    Keywords:
    Databases, BibliographicInformation ServicesMEDLINEMeta-AnalysisPubMedReview

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    Area of Science:

    • Information Science
    • Medical Librarianship
    • Systematic Review Methodology

    Background:

    • The selection of bibliographic databases is a critical, debated aspect of systematic review searches.
    • Emerging information sources like Google Scholar and clinical trials registries prompt reevaluation of traditional search strategies.

    Purpose of the Study:

    • To investigate the databases utilized by information specialists and researchers in systematic reviews.
    • To understand current trends in information source selection for systematic literature searches.

    Main Methods:

    • A systematic search and data extraction of 144 systematic reviews and meta-analyses.
    • Analysis focused on information sources employed within the search processes of selected reviews from four clinical endocrinology journals.

    Main Results:

    • Traditional bibliographic databases remain the most frequently used information sources.
    • Clinical trials registries and gray literature databases are also increasingly incorporated into search strategies.
    • Regional databases show moderate usage in systematic review searches.

    Conclusions:

    • Information specialists should consider a broader range of resources beyond traditional databases.
    • Awareness of newer sources like clinical trials registries can enhance systematic review comprehensiveness.
    • This research provides insights into current practices and informs future search strategy development.