define hormones
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Medical Definition of Hormone Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control. Many hormones, such as neurotransmitters, are active in more than one physical process.
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testosterone (těs-tŏs'tə-rōn') A steroid hormone that is the most potent naturally occurring androgen and that regulates the development of the male reproductive system and male secondary sex characteristics. Testosterone is produced mainly in the testes and is also used as a drug in the treatment of certain medical disorders. Chemical formula: C19H28O2.
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Medical Definition of Hormone Hormone: A chemical substance produced in the body that controls and regulates the activity of certain cells or organs. Many hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland.Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.any hormones are secreted by special glands, such as thyroid hormone produced by the thyroid gland. Hormones are essential for every activity of life, including the processes of digestion, metabolism, growth, reproduction, and mood control.
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Ch. 11 Anatomy & Physiology of the Endocrine System A chemical substance secreted by an endocrine gland. It enters the blood stream and is carried to target tissue. Hormones work to control the functioning of the target tissue. Given to replace the loss of natural hormones or to treat disease by stimulating hormonal effects.
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The Endocrine System Hormones are chemical substances that are secreted by organs or by cells of organs in one part of the body and are carried by the bloodstream to other organs or tissues, where they control or regulate the development or function of those structures.
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What are Hormones? By Dr Ananya Mandal, MD. Hormones are chemical messengers that are secreted directly into the blood, which carries them to organs and tissues of the body to exert their functions.There are many types of hormones that act on different aspects of bodily functions and processes. Some of these include:ormones are secreted from the endocrine glands in the body. The glands are ductless, so hormones are secreted directly into the blood stream rather than by way of ducts. Some of the major endocrine glands in the body include:
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Hormones A hormone is a chemical that your endocrine glands send throughout your body. Hormones (which can be protein or lipid in nature) affect your growth, puberty, metabolism, weigh … t, figure, shape, physical appearance, reproductive behavior, and emotions.he purpose of hormones is to regulate metabolic activity of some other organs or tissues of the body. Three different ways hormones act: 1. Alter the rate of synthesis of your cellular protein. 2.
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Medical Definition of Androgen Androgen: A male sex hormone that promotes the development and maintenance of the male sex characteristics. The major androgen is testosterone.
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- (also adrenaline) uk us /əˈdren.əl.ɪn/. › a ​hormone ​produced by the ​body, for ​example when you are ​frightened, ​angry, or ​excited, that makes the ​heart ​beat ​faster and ​prepares the ​body to ​react to ​danger: These ​arguments always get my adrenalin going (= make me ​excited or ​angry).
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- Definitions and Synonyms of hormone | Another word for hormone | What is hormone? Definition 1: the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect - [noun denoting body]
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Women's health guide A hormone is a chemical substance. It's secreted by one tissue and travels by way of body fluids to affect another tissue in your body. In essence, hormones are chemical messengers.. Many hormones, especially those affecting growth and behaviour, are significant to both men and women.
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Hormones in Animals A gland is a group of cells that produces and secretes 'chemical messengers' called hormones. A gland selects and removes materials from the blood, processes the materials and secretes the finished chemical product to be used somewhere in the body. Some types of glands release their secretions in specific areas.
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ENDOCRINE Noun. 1. hormone-the secretion of an endocrine gland that is transmitted by the blood to the tissue on which it has a specific effect. endocrine, internal secretion. secretion-a functionally specialized substance (especially one that is not a waste) released from a gland or cell.
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- From Wikipedia, the free encyclopedia. Hormone therapy or hormonal therapy is the use of hormones in medical treatment. Treatment with hormone antagonists may also be referred to as hormonal therapy or antihormone therapy.
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endocrine noun. The definition of endocrine is relating to a gland that produces hormones or the hormones themselves. An example of endocrine used as an adjective is in the phrase endocrine system, which means the system of glands and hormone production in the body.
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What effects do hormones have on Hair, Skin and Nails? Hormones are the chemical messengers of the endocrine system. The hormones play the role of the chemical messengers to the endocrine systems. Hormones help maintain and control energy levels, reproduction, growth, development, metabolism, sexual function and internal balance known as Homeostasis.
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Print Options Hormones. Chemistry of Hormones. Hormones are long-distance chemical signals that are secreted by the cells to the extracellular fluid and regulate the metabolic functions of other cells. Most hormones are amino acid based, but gonadal and adrenocortical hormones are steroids, derived from cholesterol.
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Hormone hormone. a chemical transmitter substance produced by cells of the body and transported by the bloodstream and other means to the cells and organs which carry specific receptors for the hormone and on which it has a specific regulatory effect. chemical transmitter substance produced by cells of the body and transported by the bloodstream and other means to the cells and organs which carry specific receptors for the hormone and on which it has a specific regulatory effect.
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Hormones A hormone is a chemical messenger that enables communication between cells. Hormones are secreted by the glands of the endocrine system and they serve to maintain homeostasis and to regulate numerous other systems and processes, including reproduction and development.
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- News Media Group) Facebook Twitter Pinterest. WASHINGTON, March 11, 2014 /PRNewswire/ -- U.S. News & World Report, publisher of the Best Colleges rankings, today released highlights of the 2015 Best Graduate Schools online at www.usnews.com/grad.
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- Hormones are chemical messengers produced by cells that bind to receptors on the plasma membrane of other cells or enter other cells and alter the metabolic function of these cells.xample of hormones are cortico steroids, adrenaline, growth hormone, androgens, oestrogen,thyroid hormone and insulin. Hormones have a dramatic and broad range of effects on metabolism, growth and maturation, sexuality and reproduction, and other important bodily functions. 4 people found this useful.
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- Hormones are chemicals produced in one. body organ and carried in the blood. stream to another organ, where they. cause functional activity or possibly a. change in a structure. Women manufacture a number of. hormones specific to them, particularly. during their childbearing years.
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hormone Definition: A chemical substance, formed in one organ or part of the body and carried in the blood to another organ or part where they exert functional effects; depending on the specificity of their effects, hormones can alter the functional activity, and sometimes the structure, of just one organ or tissue or various numbers of them.
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Estrogen and Testosterone Hormones Estrogen and Testosterone Hormones. The differences between female hormones and male hormones may not be as specific as you might think. The definition of a hormone is a chemical substance produced by an endocrine gland that has a specific effect on the activities of other organs in the body.
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Top 30 Doctor insights on: Can Hormones Cause Swollen Lymph Nodes Hormone (Definition) A hormone (from greek ὁρμή, impetus) is a chemical released by a cell or a gland in one part of the body that sends out messages that affect cells in other parts of the organism. Only a little amount of hormone is required to alter cell metabolism.
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- hormone. a chemical transmitter substance produced by cells of the body and transported by the bloodstream to the cells and organs on which it has a specific regulatory effect. adj., adj hormo´nal. Hormones act as chemical messengers to body organs, stimulating certain life processes and retarding others.