Endocrine system

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The endocrine system is predominantly a system of glands, [[Hormone|hormone]] secreting tissues and cells<ref>Silverthorn, D. (2010). Human Physiology: An Intergrated Approach (5th ed.). San Francisco: Pearson Benjamin Cummings.</ref>, normally as part of an [[Autonomic Nervous System|autonomic]] response. Examples of its importance include [[Glucose|blood glucose levels]], growth hormones and ovulation. The [[Hormones|hormones]] that are secreted can only interact with cells that have the correct receptors.<ref>Alberts et al. Molecular biology of the cell, 2007. Page 883.</ref>&nbsp;The endocrine system can be quite slow at producing a response; this is due to the hormones travelling a long distance in the blood, by [[Diffusion|diffusion]].<ref>Alberts et al. Molecular biology of the cell fifth edition, 2007. Page 882</ref> &nbsp;<br>
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The endocrine system is predominantly a system of glands, [[Hormone|hormone]] secreting tissues and cells, normally as part of an [[Autonomic Nervous System|autonomic]] response. Examples of its importance include controlling [[Glucose|blood glucose levels]], growth hormones and ovulation. The [[Hormones|hormones]] that are secreted can only interact with cells that have the correct [[Receptors|receptors]] on their cell surface membrane. The receptors interact with the hormone and undergo a conformational change leading to a signal cascade within the cell. Culminating in a response by the cell. The endocrine system can be quite slow at producing a response; this is due to the hormones travelling long distances by [[Diffusion|diffusion]] in the blood.  
  
The main two categories of tissues are endocrine, a ductless gland or single cell, and exocrine, a gland that releases the hormones through ducts. The [[Pituitary gland|pitutiatry gland]] is at the base of the brain and has an important role in controlling the endocrine system, by both releasing its own hormones and signaling other glands to do the same. Other glands include the [[Thyroid gland|thyroid]], the [[Adrenal gland|adrenal gland]] and the [[Pancreas|pancreas]].<br>  
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The main two categories of tissues are endocrine, a ductless gland or single cell; or [[Exocrine]], a gland that releases the hormones through ducts. The [[Pituitary gland|pituitary gland]] is at the base of the brain and has an important role in controlling the endocrine system by both releasing its own hormones and signalling other glands to do the same. Other glands include the [[Thyroid gland|thyroid]], the [[Adrenal gland|adrenal gland]] and the [[Pancreas|pancreas]]<ref>inner body: Endocrine system, accessed by following - http://www.innerbody.com/image/endoov.html</ref>.
  
 
=== References  ===
 
=== References  ===
  
 
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Latest revision as of 16:39, 4 December 2017

The endocrine system is predominantly a system of glands, hormone secreting tissues and cells, normally as part of an autonomic response. Examples of its importance include controlling blood glucose levels, growth hormones and ovulation. The hormones that are secreted can only interact with cells that have the correct receptors on their cell surface membrane. The receptors interact with the hormone and undergo a conformational change leading to a signal cascade within the cell. Culminating in a response by the cell. The endocrine system can be quite slow at producing a response; this is due to the hormones travelling long distances by diffusion in the blood.

The main two categories of tissues are endocrine, a ductless gland or single cell; or Exocrine, a gland that releases the hormones through ducts. The pituitary gland is at the base of the brain and has an important role in controlling the endocrine system by both releasing its own hormones and signalling other glands to do the same. Other glands include the thyroid, the adrenal gland and the pancreas[1].

References

  1. inner body: Endocrine system, accessed by following - http://www.innerbody.com/image/endoov.html
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