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  2. Beta cell - Wikipedia

    en.wikipedia.org/wiki/Beta_cell

    Beta cells (β-cells) are specialized endocrine cells located within the pancreatic islets of Langerhans responsible for the production and release of insulin and amylin. [1] Constituting ~50–70% of cells in human islets, beta cells play a vital role in maintaining blood glucose levels. [2] Problems with beta cells can lead to disorders such ...

  3. Hormone - Wikipedia

    en.wikipedia.org/wiki/Hormone

    In vertebrates, endocrine glands are specialized organs that secrete hormones into the endocrine signaling system. Hormone secretion occurs in response to specific biochemical signals and is often subject to negative feedback regulation. For instance, high blood sugar (serum glucose concentration) promotes insulin synthesis.

  4. Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Endocrine_system

    Endocrine glands are glands of the endocrine system that secrete their products, hormones, directly into interstitial spaces where they are absorbed into blood rather than through a duct. The major glands of the endocrine system include the pineal gland , pituitary gland , pancreas , ovaries , testes , thyroid gland , parathyroid gland ...

  5. Category:Endocrine system - Wikipedia

    en.wikipedia.org/wiki/Category:Endocrine_system

    The endocrine system is a control system of ductless endocrine glands that secrete chemical messengers called hormones that circulate within the body via the bloodstream to affect distant organs. It does not include exocrine glands such as salivary glands , sweat glands and glands within the gastrointestinal tract .

  6. Endocrinology - Wikipedia

    en.wikipedia.org/wiki/Endocrinology

    Endocrinology (from endocrine + -ology) is a branch of biology and medicine dealing with the endocrine system, its diseases, and its specific secretions known as hormones.It is also concerned with the integration of developmental events proliferation, growth, and differentiation, and the psychological or behavioral activities of metabolism, growth and development, tissue function, sleep ...

  7. Endocrine gland - Wikipedia

    en.wikipedia.org/wiki/Endocrine_gland

    The endocrine system is a network of glands and organs located throughout the body. It is similar to the nervous system in that it plays a vital role in controlling and regulating many of the body's functions. Endocrine glands are ductless glands of the endocrine system that secrete their products, hormones, directly into the blood.

  8. Glucose tolerance test - Wikipedia

    en.wikipedia.org/wiki/Glucose_tolerance_test

    The glucose tolerance test was first described in 1923 by Jerome W. Conn. [4]The test was based on the previous work in 1913 by A. T. B. Jacobson in determining that carbohydrate ingestion results in blood glucose fluctuations, [5] and the premise (named the Staub-Traugott Phenomenon after its first observers H. Staub in 1921 and K. Traugott in 1922) that a normal patient fed glucose will ...

  9. Adrenal gland disorder - Wikipedia

    en.wikipedia.org/wiki/Adrenal_gland_disorder

    Multiple endocrine neoplasia results in tumors or overgrowth on one or more endocrine glands. [15] Multiple endocrine neoplasia is classified into three main forms: type 1 , type 2 , and type 4. Multiple endocrine neoplasia can be brought on by mutations in the MEN1 , RET , and CDKN1B genes.