Physiology Endocrine System - Introduction

Front 1

The endocrine and the nervous system is the body's two major ...

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communication systems

Front 2

Communication within the nervous system is ______ whereas the endocrine system signals have .....

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Fast

much longer delays and last for much greater lengths of time

Front 3

The endocrine system consists of

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all those glands, termed endocrine glands, that secrete hormones

Front 4

Endocrine glands are also called

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ductless glands to distinguish them from all other (exocrine) glands

Front 5

Hormones are

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chemical messengers that enter the blood, which carries them from endocrine glands to the cells upon which they act

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The cells a particular hormone influences are the

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target cells for that hormone

Front 7

The endocrine system differs from most of the other organ systems of the body in that the

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various glands are not anatomically connected however they do form a system in the functional sense

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a single gland may secrete _______ hormones

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multiple

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The usual pattern in such cases is that a single cell type secretes only one hormone, so that multiple hormone secretion reflects the presence of

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different types of endocrine cells in the same gland

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In a few cases, a single cell may secrete more than

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one hormone