Changes

*#*** Occlusion of vessels to a tissue with an end arterial supply will cause '''ischaemic necrosis''' or '''infarction'''.

*#*** Occlusion of vessels to a tissue with an end arterial supply will cause '''ischaemic necrosis''' or '''infarction'''.

====[[Ischaemia and Infarction - Pathology#Ischaemia|Ischaemia]]====

====[[Ischaemia|Ischaemia]]====

* This is the local reduction of blood flow to an area.

* This is the local reduction of blood flow to an area.

** Results in hypoxia and atrophy of the tissue supplied.

** Results in hypoxia and atrophy of the tissue supplied.

====[[Ischaemia and Infarction - Pathology#Infarction|Infarction]]====

====[[Infarction|Infarction]]====

* Blockage of an end artery results in acute ischaemic coagulation necrosis, or infarction.  

* Blockage of an end artery results in acute ischaemic coagulation necrosis, or infarction.  

* Emboli from the venous system may end up in the [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|lung]].

* Emboli from the venous system may end up in the [[Lungs Circulatory - Pathology#Embolism, thrombosis and infarction|lung]].

* The lung has an extensive collateral cirulcation, and so little damage is caused.

* The lung has an extensive collateral cirulcation, and so little damage is caused.

[[Category:Arterial_Pathology]][[Category:Venous_Pathology]]

[[Category:Arterial_Pathology]][[Category:Venous_Pathology]]

[[Category:Circulatory Disorders - Pathology]]

[[Category:Circulatory Disorders - Pathology]]