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Topic: Endocrine system


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  Endocrine system - Wikipedia, the free encyclopedia
The endocrine system is a control system of ductless glands that secrete chemical "instant messengers" called hormones that circulate within the body via the bloodstream to affect distant cells within specific organs.
The endocrine system provides an electrochemical connection from the hypothalamus of the brain to all the organs that control body metabolism, growth and development, and reproduction.
Diseases of the endocrine system are common, such as diabetes mellitus and thyroid disease.
en.wikipedia.org /wiki/Endocrine_system   (491 words)

  
 Endocrine System - MSN Encarta
The primary glands that make up the human endocrine system are the hypothalamus, pituitary, thyroid, parathyroid, adrenal, pineal body, and reproductive glands—the ovary and testis.
The pancreas, an organ often associated with the digestive system, is also considered part of the endocrine system.
One of the most common diseases of the endocrine systems is diabetes mellitus, which occurs in two forms.
encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761574274   (2279 words)

  
 Endocrine System
The endocrine system is instrumental in regulating mood, growth and development, tissue function, and metabolism, as well as sexual function and reproductive processes.
In general, the endocrine system is in charge of body processes that happen slowly, such as cell growth.
The foundations of the endocrine system are the hormones and glands.
www.kidshealth.org /parent/general/body_basics/endocrine.html   (1273 words)

  
 AllRefer.com - endocrine system (Anatomy And Physiology) - Encyclopedia
The endocrine system includes the pituitary gland, thyroid gland, parathyroid glands, adrenal gland, pancreas, ovaries, and testes (see testis).
The regulation of body functions by the endocrine system depends on the existence of specific receptor cells in target organs that respond in specialized ways to the minute quantities of the hormonal messengers.
Some endocrine hormones, such as thyroxine from the thyroid gland, affect nearly all body cells; others, such as progesterone from the female ovary, which regulates the uterine lining, affect only a single organ.
reference.allrefer.com /encyclopedia/E/endocrin.html   (368 words)

  
 Endocrine System
The nervous system is mostly thought of as dealing with very short term control (on a time scale of milliseconds to seconds), while the endocrine system, through hormones, may exert relatively short term (seconds to minutes) or long term (days to weeks) control.
The endocrine system is important in the development and maintenance of the nervous system.
Endocrine glands which are most influenced by nerve inputs include the pituitary, where the nervous control arises in the hypothalamus, and the adrenal medulla, where the nervous control arises from the sympathetic nervous system, which is part of the autonomic nervous system.
departments.weber.edu /CHFam/2570/Endocrine.html   (1470 words)

  
 endocrine system. The Columbia Encyclopedia, Sixth Edition. 2001-05
The endocrine portion of the pancreas, called the islets of Langerhans, secretes insulin, which regulates the level of sugar (glucose) in the blood and glucagon, which raises blood sugar level.
The thymus, sometimes considered another endocrine gland, processes lymphocytes in newborn animals, seeding the lymph nodes and other lymph tissues; it is partly responsible for the development of the organism’s immune system (see immunity).
Physiological processes are under nervous system as well as endocrine control and a gland adjacent to the pituitary, called the hypothalamus, mediates between the two systems.
www.bartleby.com /65/en/endocrin.html   (860 words)

  
 Endocrine System Lecture
Two overlapping systems of internal communication in animals are the nervous system and the endocrine system.
Because the nervous and endocrine systems are structurally, chemically, and funtionally related, they often are integrated into regulatory processes necessary for homeostasis.
The endocrine system is made-to-order for slow steady communication relying on simple diffusion or the bulk flow of the circulatory system to deliver its chemical messengers.
home.earthlink.net /~dayvdanls/physio_endocrine.html   (810 words)

  
 Endocrine System
Endocrine glands or cells secrete hormones that are transported by the bloodstream to nonadjacent target cells.
In this system, chemical messengers achieve short and long term regulation of body function in an animal to maintain homeostasis by means of feedback systems.
Mollusks - nervous system of mollusks is richly endowed with neurosecretory cells situated in the ring of ganglia that constitutes the central nervous system.
www.snow.edu /~allans/biology1320/endocrinesystem.html   (1563 words)

  
 Endocrine System / Introduction to the Endocrine System
The endocrine system, along with the nervous system, functions in the regulation of body activities.
system is measured in minutes, hours, or weeks and is more generalized than the action of the nervous system.
The secretory products of endocrine glands are called hormones and are secreted directly into the blood and then carried throughout the body where they influence only those cells that have receptor sites for that hormone.
training.seer.cancer.gov /module_anatomy/unit6_1_endo_intro.html   (190 words)

  
 The Endocrine System   (Site not responding. Last check: 2007-10-22)
Your endocrine system is a collection of glands that produce hormones that regulate your body's growth, metabolism, and sexual development and function.
This condition is characterized by decreased function of the adrenal cortex and the consequent underproduction of adrenal corticosteroid hormones.
In children and teens, the condition is usually an autoimmune disorder in which specific immune system cells and antibodies produced by the child's immune system attack and destroy the cells of the pancreas that produce insulin.
www.v72.org /endocrine_system.htm   (2608 words)

  
 Endocrine System | Biology
The endocrine system is the interacting group of glands that secrete hormones, helping to control cells and organs throughout the body.
Most endocrine organs do not transmit electrical information but instead secrete hormones (from the Greek, meaning "to arouse or excite"), which are molecules that act as chemical messengers.Hormones are released into the bloodstream whereby they travel to organs they affect, known as target organs.
Endocrine organs are located throughout the body, and they have diverse functions controlling events such as cell metabolism, blood sugar concentration, digestion, the menstrual...
www.accessmylibrary.com /coms2/summary_0193-9037_ITM   (211 words)

  
 Endocrine System   (Site not responding. Last check: 2007-10-22)
The endocrine system consists of ductless glands that secrete hormones and the molecular receptors in “target” cells that respond to the hormone.
The major glands that make up the endocrine system are the hypothalamus, pituitary, thyroid, the parathyroid glands, the thymus, the adrenal glands, pineal body, and the gonads (reproductive glands, which include the ovaries and testes).
The endocrine system takes its time in making its effects noticeable partly because hormones have to be made and then carried in the blood to their target cells.
www.marymount.k12.ny.us /marynet/stwbwk05/05bio/mgendocrine/HTML/mgindex.html   (261 words)

  
 howcomyoucom.com - THE ENDOCRINE SYSTEM
The endocrine system is made up of specialized glands that have the ability to produce chemicals called hormones.
The endocrine system is much like the nervous system in its ability to control functioning of different areas of the body (target organs).
Some of the functions and responses that are the responsibility of the endocrine system are controlling the body's growth, developing male or female characteristics, and making the body respond to fear stimuli.
www.howcomyoucom.com /articles/jan32001.htm   (502 words)

  
 Endocrine System Information   (Site not responding. Last check: 2007-10-22)
The endocrine system is composed of glands that release their hormones directly into the bloodstream for chemical signaling of target cells.
Endocrine glands have a rich blood supply through which hormones travel to reach their target organs.
The endocrine system and the nervous system are so closely associated that they are collectively called the neuroendocrine system.
www.besthealth.com /besthealth/bodyguide/reftext/html/endo_sys_fin.html   (1374 words)

  
 Endocrine Disruptors : 1. What are Endocrine Disrupters?
endocrine system is a complex system consisting of glands in the body that produce
endocrine system also includes a third group of hormones called ‘neurohormones’ which are released by nerve cells either locally or into the blood stream where they act further away.
Endocrine disruption is not, in itself, a measure of toxicity – the occurrence of adverse health effects.
www.greenfacts.org /endocrine-disruptors/l-2/endocrine-disruptors-1.htm   (591 words)

  
 Endocrine System
Although the endocrine glands are the body's main hormone producers, some other organs not in the endocrine system - such as the brain, heart, lungs, kidneys, liver, and skin - also produce and release hormones.
Once a hormone is secreted, it travels from the endocrine gland that produced it through the bloodstream to the cells designed to receive its message.
In kids and teens, type 1 diabetes is usually an autoimmune disorder, which means that some parts of the body's immune system attack and destroy the cells of the pancreas that produce insulin.
www.kidshealth.org /teen/your_body/body_basics/endocrine.html   (2023 words)

  
 Endocrine Primer | Endocrine Disruptor Screening Program | US EPA   (Site not responding. Last check: 2007-10-22)
The endocrine system, also referred to as the hormone system, is found in all mammals, birds, and fish.
The endocrine system regulates all biological processes from the conception of an organism through adulthood and into old age regulating many functions of a body, including metabolism, blood sugar levels, growth and function of the reproductive system, and the development of the brain and nervous system.
However, the relationship of human diseases of the endocrine system and exposure to environmental contaminants is poorly understood and scientifically controversial.
www.epa.gov /scipoly/oscpendo/edspoverview/primer.htm   (2536 words)

  
 Student Resources > Student Health Zone   (Site not responding. Last check: 2007-10-22)
Your body produces its own chemicals and uses them to control certain functions, and the main system that coordinates these chemicals is called the endocrine system.
Although we rarely think about the endocrine system, it influences almost every cell, organ, and function of our bodies.
The endocrine system is instrumental in regulating mood, growth and development, tissue function, metabolism, and sexual function and reproductive processes.
www.studentresources.net /college/healthzone/PageManager.aspx?dn=studenthealthzone&lic=180&cat_id=20311&article_set=35162&ps=604   (588 words)

  
 Endocrine System
The endocrine system refers to a network of glands distributed throughout the body.
These glands of the the endocrine system produce hormones that are released into the circulation and distributed to distant target sites via the blood.
The hormones of the endocrine system act as chemical messengers to control body functions such as growth, metabolism, sexual development, and egg and sperm production.
www.greenfacts.org /endocrine-disruptors/endocrine-system.htm   (129 words)

  
 Endo 101: The Endocrine System
The endocrine system is one of the body’s main systems for communicating, controlling and coordinating the body’s work.
Endocrine disorders happen when one or more of the endocrine systems in your body are not working well.
There could be a problem with the system regulating the hormones in the blood stream, or the body may have difficulty controlling hormone levels because of problems clearing hormones from the blood.
www.hormone.org /endo101   (417 words)

  
 Category:Endocrine system - Wikipedia, the free encyclopedia
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.
The main article for this category is Endocrine system.
en.wikipedia.org /wiki/Category:Endocrine_system   (111 words)

  
 The Endocrine System — www.greenwood.com
The nervous system is discussed in close relation to the endocrine system, as both systems send out messages that coordinate the function of every cell.
The history of the research on the endocrine system is presented and the future of research in this field is considered.
Endocrine system disorders, symptoms and treatments are explored, including pituitary dwarfism, and Cushing's Syndrome, and diabetes types 1 and 2.
www.greenwood.com /catalog/GR2699.aspx   (264 words)

  
 ENDOCRINE SYSTEM
The endocrine system has a similar job, but uses chemicals to “communicate”.
These glands are ductless, which means that their secretions (hormones) are released directly into the bloodstream and travel to elsewhere in the body to target organs, upon which they act.
Pancreas The pancreas is also part of the body's hormone-secreting system, even though it is also associated with the digestive system because it produces and secretes digestive enzymes.
www.healingtides.net /endocrinesystem.htm   (1002 words)

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