endocrine system parts and functions pdf

Endocrine system parts and functions pdf

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Endocrine Glands and Hormones

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Endocrine Glands and Hormones

Endocrine System Overview

Human Physiology pp Cite as. The biological role of the endocrine system is closely linked to that of the nervous system; the two together coordinate the functions of the other in some cases widely separated organs and organ systems. The distinguishing feature of the endocrine system is that its influence is exerted by way of a number of substances, the hormones.

Endocrine Glands and Hormones

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.

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.

Communication is a process in which a sender transmits signals to one or more receivers to control and coordinate actions. Together, these two systems are primarily responsible for maintaining homeostasis in the body. The nervous system uses two types of intercellular communication—electrical and chemical signaling—either by the direct action of an electrical potential, or in the latter case, through the action of chemical neurotransmitters such as serotonin or norepinephrine. Neurotransmitters act locally and rapidly. When an electrical signal in the form of an action potential arrives at the synaptic terminal, they diffuse across the synaptic cleft the gap between a sending neuron and a receiving neuron or muscle cell. Once the neurotransmitters interact bind with receptors on the receiving post-synaptic cell, the receptor stimulation is transduced into a response such as continued electrical signaling or modification of cellular response. In this way, neural communication enables body functions that involve quick, brief actions, such as movement, sensation, and cognition.

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Your endocrine system is made up of several organs called glands. The glands, located all over your body, create and secrete release hormones. Hormones are chemicals that coordinate different functions in your body by carrying messages through your blood to your organs, skin, muscles and other tissues. These signals tell your body what to do and when to do it. Hormones deliver their messages by locking into the cells they are targeting so they can relay the message.

The endocrine system is a network of glands and organs located throughout the body. However, while the nervous system uses nerve impulses and neurotransmitters for communication, the endocrine system uses chemical messengers called hormones. Keep reading to discover more about the endocrine system, what it does, and the hormones it produces. The endocrine system is responsible for regulating a range of bodily functions through the release of hormones. Hormones are secreted by the glands of the endocrine system, traveling through the bloodstream to various organs and tissues in the body. The hormones then tell these organs and tissues what to do or how to function. The endocrine system is made up of a complex network of glands , which are organs that secrete substances.

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.

Endocrine Glands and Hormones

 Ничего не поделаешь, - вздохнул Стратмор.  - Поддержи. Коммандер глубоко вздохнул и подошел к раздвижной стеклянной двери.

Human endocrine system

Та показала ему последние строчки текста.

Endocrine System Overview

 Что. Этого не может. Он заперт внизу. - Нет. Он вырвался оттуда. Нужно немедленно вызвать службу безопасности. Я выключаю ТРАНСТЕКСТ! - Она потянулась к клавиатуре.

У нас только настоящие андалузские красавицы. - Рыжие волосы, - повторил Беккер, понимая, как глупо выглядит. - Простите, у нас нет ни одной рыжеволосой, но если вы… - Ее зовут Капля Росы, - сказал Беккер, отлично сознавая, что это звучит совсем уж абсурдно. Это странное имя, по-видимому, не вызвало у женщины каких-либо ассоциаций.

 Чего вы от меня хотите, мистер.

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 Там проблема с электричеством. - Я не электрик. Позвони в технический отдел. - В куполе нет света. - У тебя галлюцинации. Тебе пора отправляться домой.

2 comments

  • Riepertwede1987 17.11.2020 at 06:27

    hormones; hypothalamus; pituitary gland; gonad function; thyroid; parathyroid; pancreas; biochemical male and female endocrine organs are presented here.​).

    Reply
  • Joy S. 19.11.2020 at 03:39

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