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Title: The Endocrine System
Description: Full notes about what is the endocrine system, what does it contain from hormones and glands. Definition of endocrine and exocrine glands. And what is prostaglandin. And these notes describe how steroid and non-steroid hormones act
Description: Full notes about what is the endocrine system, what does it contain from hormones and glands. Definition of endocrine and exocrine glands. And what is prostaglandin. And these notes describe how steroid and non-steroid hormones act
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1 : The Endocrine System
Hormones and Glands
- Endocrine system sends chemical messages, called hormones,
which modify cellular behavior
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- Endocrine system is made up of glands that release hormones,
which deliver messages
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Cells that have receptors for a hormone are called target
cells
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- Many functions depend on effects of 2 opposing hormones
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Insulin : promote liver to convert glucose to
glycogen
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Glands
- Gland is an organ that produces and releases a substance
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They Are : Pancreas, Salivary, Sweat, and Lachrymal
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Prostaglandins
- Nearly all cells have been shown to produce small amounts of
hormone-like substances called prostaglandins
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- Some cause smooth muscles to contract
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Hormone Action
- Hormones fall into 2 general groups :
o Steroid Hormones
o Nonsteroid Hormones
- Steroid Hormones are produced from cholesterol
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- Once in the cell, it can enter nucleus and change patter of gene
expression in cell
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- Nonsteroid hormones bind to receptors and cause the release of
secondary messenger that affect cell activities
Title: The Endocrine System
Description: Full notes about what is the endocrine system, what does it contain from hormones and glands. Definition of endocrine and exocrine glands. And what is prostaglandin. And these notes describe how steroid and non-steroid hormones act
Description: Full notes about what is the endocrine system, what does it contain from hormones and glands. Definition of endocrine and exocrine glands. And what is prostaglandin. And these notes describe how steroid and non-steroid hormones act