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General Pathology (view source)

Revision as of 22:51, 19 August 2007

6 bytes added ,  22:51, 19 August 2007
→‎Metabolic diseases
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=====Metabolic diseases=====
 
=====Metabolic diseases=====
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- those accompanying a deranged carbohydrate metabolism in which
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glucose is not made available for uptake into the tissues. Alternative pathways are resorted to
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* Certain metabolic diseases may result in deranged carbohydrate metabolism.
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for the production of energy needed by the cells, and this leads to fatty change.
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* Glucose is not made available for uptake into the tissues.  
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Examples are Diabetes mellitus in dogs where there is a deficiency of the hormone insulin
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** The celles still require energy, and so alternative pathways are resorted to.
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which is required for cellular glucose utilisation, and Ketosis in ruminants where the drain on
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*** This leads to fatty change.
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glucose reserves in sheep caused by twin lambs ( condition is called Pregnancy Toxaemia) or
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* Examples:
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in the milk of high-yielding dairy cows shortly after parturition (Acetonemia), exhorts the
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** Diabetes mellitus in dogs
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body to find another source of energy, with consequent mobilisation of fat reserves and their
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*** Deficiency of the hormone insulin required for cellular glucose utilisation.
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transportation to the liver
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** Ketosis in ruminants
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*** The body is exhorted to find another source of energy following drainage of the glucose reserves.
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**** Fat reserves are mobilised and transported to the liver.
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*** E.g.
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**** Twin lambs in sheep
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***** The condition is known as Pregnancy Toxaemia
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**** Milk producion in high-yielding dairy cattle shortly afer parturiton.
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***** Acetonemia
    
=====Anoxia=====
 
=====Anoxia=====
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