244 bytes added ,  23:01, 5 March 2011
no edit summary
Line 1: Line 1:  
[[Image:Sarcocystis Life Cycle.jpg|thumb|right|150px|''Sarcocytis'' Life Cycle Diagram - Dennis Jacobs & Mark Fox RVC]]
 
[[Image:Sarcocystis Life Cycle.jpg|thumb|right|150px|''Sarcocytis'' Life Cycle Diagram - Dennis Jacobs & Mark Fox RVC]]
 
[[Image:Sarcocystic.jpg|thumb|right|150px|''Sarcocytis'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
 
[[Image:Sarcocystic.jpg|thumb|right|150px|''Sarcocytis'' - Joaquim Castellà Veterinary Parasitology Universitat Autònoma de Barcelona]]
[[Image:Sarcocystis in sheep oesophagus.jpg|thumb|right|150px|''Sarcocystis'' in sheep oesophagus - Adam Cuerden]]
+
[[Image:Sarcocystis in sheep oesophagus.jpg|thumb|right|150px|''Sarcocystis in sheep oesophagus'' <br> Adam Cuerden, Wikimedia Commons]]
 
[[Image:Equine protozoal myeloencephalitis.jpg|thumb|right|150px|Equine protozoal myeloencephalitis - Wikimedia Commons]]
 
[[Image:Equine protozoal myeloencephalitis.jpg|thumb|right|150px|Equine protozoal myeloencephalitis - Wikimedia Commons]]
 
[[Image:Sarcocystis cruzi.jpg|thumb|right|150px|''Sarcocystis cruzi'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
 
[[Image:Sarcocystis cruzi.jpg|thumb|right|150px|''Sarcocystis cruzi'' - Courtesy of the Laboratory of Parasitology, University of Pennsylvania School of Veterinary Medicine]]
Line 59: Line 59:  
*Cause meat inspection losses
 
*Cause meat inspection losses
   −
*''Sarcocystis'' in [[Muscles Inflammatory - Pathology#Protozoa|myositis]]
+
*''Sarcocystis'' in [[Parasitic Myositis#Protozoa|myositis]]
    
*Experimental infections cause severe, acute pyrexic disease when the organism multiplies in the vascular endothelium
 
*Experimental infections cause severe, acute pyrexic disease when the organism multiplies in the vascular endothelium
Line 66: Line 66:  
**Causes abortion and post-natal disease in sheep
 
**Causes abortion and post-natal disease in sheep
   −
*Equine protozoal myeloencephalitis
+
*[[Equine Protozoal Myeloencephalitis]]
**Necrotising encephalomyelitis affecting the grey and white matter of the CNS
+
 
**Caused by ''S.neurona''
+
*Myositis
**Opossum thought to be the definitive host
+
[[Image:Sarcocyst in muscle.jpg|right|thumb|100px|<small><center>Sarcocyst (Image sourced from Bristol Biomed Image Archive with permission)</center></small>]]
**Horses thought to be accidental hosts
+
**Histologically:
**Natural intermediate hosts currently unknown
+
***Merozoites causing focal and segmental [[Muscle Necrosis|necrosis]]
**Western Blotting shows 50% of horses in the USA are seropositive
+
***May involve [[Muscle Calcification|mineralisation]]
**Risk factors poorly understood
+
***Non-purulent myositis with plasma cells, lymphocytes and macrophages
**Causes spinal cord dysfunction
+
**Diaphragm and masseters most severely affected
***Ataxia and paralysis[[Category:Tissue_Cyst_Forming_Coccidia]]
+
 
 +
==Test yourself with the Tissue Cyst Forming Coccidian Flashcards==
 +
 
 +
[[Tissue_Cyst_Forming_Coccidian_Flashcards|Tissue Cyst Forming Coccidian Flashcards]]
 +
 
 +
[[Category:Tissue_Cyst_Forming_Coccidia]]
 +
 
 +
[[Category:To_Do_-_Parasites]]
Author, Donkey, Bureaucrats, Administrators
53,803

edits