Endocrine Glands In Human Body And Their Functions Pdf

endocrine glands in human body and their functions pdf

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The main function of endocrine glands is to secrete hormones directly into the bloodstream. Hormones are chemical substances that affect the activity of another part of the body target site. In essence, hormones serve as messengers, controlling and coordinating activities throughout the body. See also Endocrine Glands. Upon reaching a target site, a hormone binds to a receptor, much like a key fits into a lock.

Endocrine System Overview

Endocrine Community. Email Print Discuss. Written by Robert M. Sargis MD, PhD. Simply put, the endocrine system is a network of glands that secrete chemicals called hormones to help your body function properly. Hormones are chemical signals that coordinate a range of bodily functions. The endocrine system works to regulate certain internal processes. Exocrine glands, such as sweat and salivary glands, secrete externally and internally via ducts. Endocrine glands secrete hormones internally, using the bloodstream.

The endocrine system completes these tasks through its network of glands, which are small but highly important organs that produce, store, and secrete hormones. The hormones reach these faraway targets using the blood stream. But instead of using nerves to transmit information, the endocrine system uses blood vessels to deliver hormones to cells. To ensure that everything runs smoothly that is, your body functions as it should , certain processes must work properly:. If you have an endocrine disease or disorder, you may consult a specialist known as an endocrinologist who will effectively diagnose and help treat your condition.

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This information is not designed to replace a physician's independent judgment about the appropriateness or risks of a procedure for a given patient. Always consult your doctor about your medical conditions.

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Human endocrine system

Human endocrine system , group of ductless glands that regulate body processes by secreting chemical substances called hormones. Hormones act on nearby tissues or are carried in the bloodstream to act on specific target organs and distant tissues. Diseases of the endocrine system can result from the oversecretion or undersecretion of hormones or from the inability of target organs or tissues to respond to hormones effectively. It is important to distinguish between an endocrine gland, which discharges hormones into the bloodstream, and an exocrine gland , which secretes substances through a duct opening in a gland onto an external or internal body surface. Salivary glands and sweat glands are examples of exocrine glands. Both saliva, secreted by the salivary glands, and sweat, secreted by the sweat glands, act on local tissues near the duct openings. In contrast, the hormones secreted by endocrine glands are carried by the circulation to exert their actions on tissues remote from the site of their secretion.

Error: This is required. Error: Not a valid value. The hormonal system called the endocrine system in medical terminology has various glands that release different hormones. They take messages from one part of the body the gland to tell another part of the body the target cell to do something important. The endocrine glands influence reproduction, metabolism, growth and many other functions. Below is a list of the main glands see diagram for their location , some of the hormones they produce and what effects they have on the body. Thyroid gland: a small gland in the front of the neck, wrapping around the windpipe.


It uses information it gets from your brain to tell other glands in your body what to do. It makes many important hormones, including growth.


Internal Regulators: The Endocrine Glands Stimulate and Control Body Functions

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Endocrine Community. Email Print Discuss. Written by Robert M.

The endocrine system is the collection of glands that produce hormones that regulate metabolism, growth and development, tissue function, sexual function, reproduction, sleep, and mood, among other things. The endocrine system is made up of the pituitary gland , thyroid gland , parathyroid glands , adrenal glands , pancreas , ovaries in females and testicles in males , according to the Mayo Clinic. The word endocrine derives from the Greek words "endo," meaning within, and "crinis," meaning to secrete, according to Health Mentor Online.

About the Endocrine System

The glands of the endocrine system secrete hormones into the bloodstream to maintain homeostasis and regulate metabolism. The hypothalamus and the pituitary gland are the command and control centers, directing hormones to other glands and throughout the body. Other primary endocrine glands, including the thyroid and parathyroid glands, the adrenal glands, and the pineal gland, adjust the levels of various substances in the blood and regulate metabolism, growth, the sleep cycle, and other processes.

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 Джабба, - спросил Фонтейн, - много они похитили. - Совсем мало, - сказал Джабба, посмотрев на монитор.  - Всего лишь какие-то обрывки, в полном виде -. Фонтейн медленно кивнул и улыбнулся одними уголками губ. Он искал глазами Сьюзан Флетчер, но она уже стояла прямо перед экраном, на котором крупным планом было видно лицо Дэвида Беккера. - Дэвид.

Давай выбираться отсюда. Внезапно Стратмор сбросил оцепенение. - Иди за мной! - сказал. И направился в сторону люка. - Коммандер. Хейл очень опасен.

 Дэвид, прости. Он увидел пятна света. Сначала слабые, еле видимые на сплошном сером фоне, они становились все ярче. Попробовал пошевелиться и ощутил резкую боль. Попытался что-то сказать, но голоса не. Зато был другой голос, тот, что звал. Кто-то рядом с ним попытался его приподнять.

Далее в заметке сообщалось, что, хотя алгоритм вызвал громадный интерес в Японии, несколько американских производителей программного обеспечения, прослышавших о Цифровой крепости, считают эту информацию нелепой - чем-то вроде обещания превратить свинец в золото.

 Должен быть другой выход. - Да, - в сердцах бросил Джабба.  - Шифр-убийца.

Секрет выражения без воска был ему слишком дорог. Он уходил корнями в давние времена. В эпоху Возрождения скульпторы, оставляя изъяны при обработке дорогого мрамора, заделывали их с помощью сеrа, то есть воска.

Endocrine glands and their hormones

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