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===P===
 
===P===
 
*'''Pachymeninges''' - Dura mater
 
*'''Pachymeninges''' - Dura mater
 +
*'''PAGE''' - see polyacrylamide gel electrophoresis
 
*'''Papule''' - solid elevation of skin, <1cm in diameter
 
*'''Papule''' - solid elevation of skin, <1cm in diameter
 +
*'''Paracortex''' - portion of lymphnode immediately surrounding the cortex
 
*'''Parakeratosis''' - abnormal cornification, keratinocytes retain their nuclei
 
*'''Parakeratosis''' - abnormal cornification, keratinocytes retain their nuclei
 +
*'''Paraprotein''' - immunoglobulins produced as a result of paraproteinaemia, they are products of neoplastic antibody synthesising B-cells
 +
*'''Paraproteinaemia''' - cancer of certain types of B-cells resulting in heir production of inspecific monoclonal antibodes
 
*'''Parasitaemia''' - presence of parasites circulating in the blood  
 
*'''Parasitaemia''' - presence of parasites circulating in the blood  
 
*'''Parasitism''' - two species living together, one at the expense of the other
 
*'''Parasitism''' - two species living together, one at the expense of the other
 
*'''Paratenic host''' - parasite enters host tissue but no development or growth takes place
 
*'''Paratenic host''' - parasite enters host tissue but no development or growth takes place
 +
*'''Paratuberculosis''' - bovine disease folling the exposure to ''mycobacterium'' species. Synonymus with Johne's disease
 
*'''Paronychia''' - inflammation of tissue fold around nail bed
 
*'''Paronychia''' - inflammation of tissue fold around nail bed
 
*'''Parthenogenesis''' - asexual reproduction where eggs produced by the female develop without fertilisation from the male
 
*'''Parthenogenesis''' - asexual reproduction where eggs produced by the female develop without fertilisation from the male
 +
*'''Parvovirosis''' - disease due to an infection with a parvovirus
 
*'''Patch''' - macule > 1cm in diameter
 
*'''Patch''' - macule > 1cm in diameter
 
*'''Pathogenicity''' - damage that may be inflicted by the infectious agent
 
*'''Pathogenicity''' - damage that may be inflicted by the infectious agent
 
*'''Pediculosis''' - Infestation with lice
 
*'''Pediculosis''' - Infestation with lice
 
*'''Plaque''' - flet topped swelling > 1cm in diameter
 
*'''Plaque''' - flet topped swelling > 1cm in diameter
 +
*'''Platelet activating factor (PAF)''' - phospholipid derrived factor with inflammatory and platelet activating properties
 
*'''Polio-''' - Of the grey matter
 
*'''Polio-''' - Of the grey matter
 
*'''Polioencephalomalacia''' - Necrosis of the gray matter in the brain
 
*'''Polioencephalomalacia''' - Necrosis of the gray matter in the brain
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