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, 14:45, 7 June 2010
*Hydatid Disease
*final host
**dog, fox, and other canids
*intermediate host
**sheep most commonly affected
**ox and horses
NB: can also affect man - zoonosis
*'''hydatids''' - the cyst form
**develops from the ova
**occur in the lung and [[Liver - Anatomy & Physiology|liver]]
**cysts are usually multiple
**5-10cm in diameter
**contain a clear fluid with numerous scolices or '''"hydatid sand"'''
**the small calcified lesions that are sometimes present in the [[Liver - Anatomy & Physiology|liver]] of sheep may represent degenerate hydatid cysts
**can be very prevalent in some geographical areas
[[Category:Liver_Cestodes]]