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	MSN Encarta - Search View - Endocrine System
		Endocrine organs are sometimes called ductless glands because they have no ducts connecting them to specific body parts.
		Hormones from the endocrine organs are secreted directly into the bloodstream, where special proteins usually bind to them, helping to keep the hormones intact as they travel throughout the body.
		An endocrinologist evaluating a patient for a possible endocrine disorder relies on the patient's history of signs and symptoms, a physical examination, and the family history—that is, whether any endocrine disorders have been diagnosed in other relatives.
	encarta.msn.com /text_761574274__1/Endocrine_System.html (2297 words)

	MSN Encarta - Endocrine System
		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.
		The androgens, the most important of which is testosterone, regulate development of the reproductive organs, stimulate male secondary sex characteristics, and stimulate muscle growth.
	encarta.msn.com /encnet/refpages/RefArticle.aspx?refid=761574274 (2253 words)

	Endocrinology - Wikipedia, the free encyclopedia
		Although every organ system secretes and responds to hormones (including the brain, lungs, heart, intestine, skin, and the kidney), the clinical specialty of endocrinology focuses on the endocrine organs, i.e.
		As part of this definition they specified that a chemical must be produced by an organ; be released (in small amounts) into the bloodstream; be transported to a distant organ and exert its specific function in order to be classified as a hormone.
		A characteristic of endocrinology is that the diagnosis and treatment of endocrine diseases are guided by laboratory tests to a greater extent than for most specialties.
	en.wikipedia.org /wiki/Endocrine_organs (1490 words)

	[No title]
		Endocrine glands are then explained as ductless glands that release their hormones into blood or lymph, to be distinguished from exocrine glands, which release their products directly into ducts.
		The mixed endocrine organs are the pancreas and gonads.
		The purely endocrine glands are the anterior pituitary, hypothalamus, thyroid, parathyroid, adrenal, thymus, and pineal gland.
	www.isu.edu /departments/PTA/HO111/Endocrine_Sys_student_03.doc (2614 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.
		Endocrine glands, on the other hand, release more than 20 major hormones directly into the bloodstream where they can be transported to cells in other parts of the body.
		Although the endocrine glands are the body's main hormone producers, some non-endocrine organs - such as the brain, heart, lungs, kidneys, liver, thymus, skin, and placenta - also produce and release hormones.
	kidshealth.org /parent/general/body_basics/endocrine_prt.htm (2336 words)

	endocrine system. The Columbia Encyclopedia, Sixth Edition. 2001-05 (Site not responding. Last check: 2007-10-22)
		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.
		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).
	www.bartleby.com /65/en/endocrin.html (860 words)

	Exercise 24: Endocrine Organs (Site not responding. Last check: 2007-10-22)
		In this exercise we'll be concerned with the structure of the pituitary gland, the pineal body, the endocrine portions of the reproductive organs, the endocrine pancreas, the adrenal glands, and the thyroid and parathyroid glands.
		Both the testis and the ovary are important endocrine organs, and the hormones they produce are important in normal sexual activity, in maturation of the adult body form, and in controlling estrus and pregnancy.
		As in any endocrine organ, release of hormones to the blood must be rapid, and the great degree of vascularity permits all cells to have good access to the circulation.
	education.vetmed.vt.edu /Curriculum/VM8054/Labs/Lab24/Lab24.htm (3801 words)

	Endocrine (Site not responding. Last check: 2007-10-22)
		Furthermore endocrine activities have been identified in certain organs, such as the heart, kidneys, duodenum and liver, which are normally associated with other system functions.
		The endocrine portion of the pancreas consists of the islets of Langerhans which lie scattered throughout the pancreas.
		The dispute over the thymus as an endocrine organ was resolved upon identification of a family of peptides that control the proliferation and maturation of primitive lymphocytes into immunologically competent T-cells.
	www.bio-logicsolutions.com /endocrin.htm (2089 words)

	Human Anatomy and Physiology
		Endocrine organs are activated to release their hormones into the blood by hormonal, humoral, or neural stimuli.
		The ability of a target organ to respond to a hormone depends on the presence of receptors in or on its cells to which the hormone binds or attaches.
		Several organs that are generally nonendocrine in overall function, such as the stomach, small intestine, kidneys, and heart, have cells that secrete hormones.
	fog.ccsf.cc.ca.us /~jgrass/Content/Lessons/endocrine.html (966 words)

	Questions about Endocrine Disruptors
		By EPA’s working definition, endocrine disruptors "interfere with the synthesis, secretion, transport, binding, action, or elimination of natural hormones in the body that are responsible for the maintenance of homeostasis (normal cell metabolism), reproduction, development, and/or behavior." Many endocrine disruptors are thought to mimic hormones.
		Most endocrine disruptors have very low potency as their chemistry is significantly different from the hormones they mimic.
		This is not surprising, as the basic function of the endocrine system, in addition to controlling sex characteristics and reproductive functions and responding to perceived hostility (adrenaline release), is to maintain homeostasis (even keel) among the diverse functions of the body.
	extoxnet.orst.edu /faqs/pesticide/endocrine.htm (1722 words)

	Organs Of The Endocrine System (Site not responding. Last check: 2007-10-22)
		Endocrine System - The endocrine system has a similar job, but uses chemicals to “communicate”.
		Organ Systems - Endocrine System - The endocrine system is composed of several ductless glands; clusters of cells located within certain organs, and isolated endocrine cells in the epithelial...
		Exercise 24: Endocrine Organs - Endocrine organs are glands whose products are secreted into the blood,...
	www.pianothings.com /organs-of-the-endocrine-system.html (747 words)

	The Hormone Foundation: Endo 101
		The endocrine system is one of the body’s main systems for communicating, controlling and coordinating the body’s work.
		To function normally, the body needs glands that work correctly, a blood supply that works well to move hormones through the body to their target points, receptor places on the target cells for the hormones to do their work, and a system for controlling how hormones are produced and used.
		Endocrine disorders happen when one or more of the endocrine systems in your body are not working well.
	www.hormone.org /endo101 (410 words)

	Home Page
		The cells of endocrine organs secrete and release hormones, which are carried in the bloodstream to their target cells in widely separated organs and tissues.
		The endocrine system and the nervous system function in conjunction with one another, and most biological phenomena are under the overlapping control of both systems.
		The endocrine part is a diffuse organ and constitutes only about 2% of the volume of the pancreas.
	courseweb.edteched.uottawa.ca /medicine-histology/English/Endoctrine (4972 words)

	the endocrine system
		The endocrine system works in parallel with the nervous system to control growth and maturation along with homeostasis.
		These signals are passed through the blood to arrive at a target organ, which has cells possessing the appropriate receptor.
		The type of endocrine product is determined by which tissue layer a gland originated in.
	www.estrellamountain.edu /faculty/farabee/biobk/BioBookENDOCR.html (1668 words)

	ENDOCRINE SYSTEM
		Endocrine organs are organs whose cells secrete their products, i.e., hormones, into the bloodstream whereas exocrine organs such as sweat glands, salivary glands and sebaceous glands secrete their products into a duct system.
		The ovary and testes are both exocrine organs, "secreting" ova and spermatozoa, respectively yet they are endocrine organs as well secreting hormones such as estrogen, progesterone and testosterone.
		In the pancreas, part of the organ is an exocrine gland (the acini) secreting and part is endocrine, i.e., the islets of Langerhans which secrete various hormones such as insulin and glucagon.
	www.cvm.okstate.edu /instruction/mm_curr/histology/HistologyReference/HREndo.htm (2423 words)

	Overview of Endocrine Glands (Site not responding. Last check: 2007-10-22)
		glands of the endocrine system, they are specific in that each hormone causes a response in a specific target organ or group of cells, rather than on the body as a whole.
		Endocrine hormones are secreted within the tissue (rather than via a duct) and enter the blood stream via capillaries.
		The endocrine cells are arranged in clusters throughout the Pancreas, these known as Islets of Langerhans.
	eee.uci.edu /clients/dgromis/hormones.htm (2251 words)

	UNSW Embryology- Endocrine Development
		The endocrine system resides within specific endocrine organs and both organs and tissues with other specific functions.
		The endocrine glands produce hormones, which are distributed by the vascular system to the many body tissues, subsequently these organs are richly vascularized.
		Peripheral endocrine glands (thyroid, pancreas, adrenals, gonads) form early in the second month from epithelial/mesenchye interactions and differentiate into the third month.
	embryology.med.unsw.edu.au /Notes/endocrine.htm (1221 words)

	Peptide hormones
		Endocrine control is not instantaneous but instead requires seconds or longer to produce a physiological response.
		The overall picture is that signals from direct innervation and from the endocrine system are coordinated to generate the most appropriate response to an external stimuli.
		To get a better appreciation of the importance of the endocrine system, consider the systems controlled by the hypothalamus and pituitary glands, which are found at the base of the brain (see overview).
	www.neurosci.pharm.utoledo.edu /MBC3320/Peptides.htm (1585 words)

	[No title]
		2. The major endocrine organs are the pituitary, thyroid, parathyroid, adrenal, pineal, and thymus glands, as well as the pancreas and gonads.
		Endocrine organs are activated to release their hormones by humoral, neural, or hormonal stimuli.
		The hypothalamus (a) regulates the hormonal output of the anterior pituitary via releasing and inhibiting hormones and (b) synthesizes two hormones that it exports to the posterior pituitary for storage and later release.
	media.pearsoncmg.com /bc/bc_marieb_ap_slim/chap_summaries/Ch15_Summary.doc (1691 words)

	Organs Of Endocrine Of Human Body (Site not responding. Last check: 2007-10-22)
		The Endocrine System: Drawings of endocrine organs and descriptions of their functions...
		Encyclopedia: Human anatomy - It studies organs and organ systems of the human body, leaving the study of tissues...
		Basic Anatomy - Organs and Organ Systems - There are 10 major organ systems in the human body, they are the:...
	www.pianothings.com /organs-of-endocrine-of-human-body.html (912 words)

	► Aging changes in hormone production
		The endocrine system is made up of organs and tissues that produce hormones.
		Some organ systems have their own internal control systems instead of, or in addition to, hormones.
		For example, an endocrine tissue may produce less of its hormone when it is stimulated, or it may produce the same amount but at a slower rate.
	www.umm.edu /ency/article/004000.htm (749 words)

	[No title]
		Components of the System: The endocrine system includes several endocrine organs leg, adenohypophysis, thyroid gland, adrenal gland), islands of endocrine tissue in exocrine glands leg, islets of Langerhans), and some isolated endocrine cells leg, cells with DNES functions in the mucosa of the digestive tract).
		Origin: Endocrine glands are ductless glands that develop as invaginations of epithelial sur faces, such as oral ectoderm or gut endoderm, and eventually pinch off, losing contact with the parent epithelium.
		This small (3-5 mm x 5-8 mm), conical organ (the epiphysis cerebri) attaches by a stalk to the roof of the diencephalon near the postcrior aspect of the third ventricle.
	www.loyno.edu /~chood/histnotesendo.html (4938 words)

	Endocrine Organs
		Two globular organs inferior to the larynx and adhering lateral to the trachea are the two lobes of the thyroid glands.
		The adrenals are globular organs superior to the kidneys, under the prominent adrenolumbar vein.
		CLOSING UP: When you have finished your dissection, reposition the internal organs in their proper locations, close the abdominal flaps, wrap in the skin, place in the plastic bag, press out the air, seal with 2-3 turns of a rubber band and return to the box, numbers to the right.
	biology.clc.uc.edu /fankhauser/Labs/Anatomy_&_Physiology/A&P202/Endocrine_System/Endocrine_organs.htm (615 words)

	The Endocrine and Metabolic Effects of Alcoholism
		Effects of alcohol on endocrine organs can be a direct toxic effect or an indirect effect through metabolism of hormones in associated liver and nutritional disorders, which are seen in chronic alcoholics.
		It is hoped that more awareness of the effects of alcohol on endocrine organs will strengthen the belief in the Quranic prohibition.
		The endocrine effects of alcohol are acute or chronic, and can be contributed indirectly to be existing malnutritiontion and liver disease.
	www.geocities.com /nomans81/alcohol.html (1039 words)

	Endocrine System
		Different organs of the endocrine system in brain, adrenal gland, and ovary.
		The Endocrine System organs (hypothalamus, thyroid, thymus, pancreas, adrenals and ovaries) illustrated within a woman's body...
		The limbic system is an array of brain structures including the hippocampus, amygdala and fornicate gyrus located near the ed...
	www.indexedvisuals.com /html/Search/EndocrineSystem.htm (105 words)

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