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Paracentesis. Tapping. 



Paralysis. Loss of power or of sensibility ; palsy. 

 Paraplegia. Paralysis of the lower half of the body. 

 Parenchyma. A glandular or other organic structure, 



formed chiefly of aggregated cells. 

 Parotitis. Inflammation of the parotid gland. 

 Pathognomonic. Positively distinctive or characteristic 



of a certain disease. 

 Pathology. The study of the seat, nature, and essential 



characters and laws of disease. 

 Pellicular. Membranous. 

 Pemphigus. A buUar eruption upon the skin. 

 Percept A. Things perceived; impressions upon the senses 



and brain. 

 Pericarditis. Inflammation of the pericardium. 

 Peripheral. Connected with the surface or exterior. 

 Peritonitis. Inflammation of the peritoneum. 

 Perturbation. Disturbance by an exterior or extrinsic 



cause. 

 Petechite. Small purple spots in or under the skin. 



Phlebitis, Inflammation of a vein. 

 Phlegmasia. An inflammatory disease. 

 Phlogosis. Inflammation. 

 Photophobia. Dread of light. 

 Photopsia. Flashing of light before the eyes. 

 Phrenitis. Inflammation of the brain. 

 Phthisis. Wasting. Phthisis pulmonalis, pulmonary con- 

 sumption. 

 Pica. Depraved appetite. 

 Pityriasis. A disease of the skin, accompanied by the 



exfoliation of minute scales. 

 Plasma. Organizable fluid : liquor sanguinis. 

 Plethora. Redundance of red blood. 

 Pleuritis. Pleurisy ; inflammation of the pleura. 

 Pleurodynia. Neuralgic pain in the region of the pleura. 

 Pleuro-pnuemonia. Inflammation involving both the lung 



and pleura. 

 Pleximeter. An instrument for mediate percussion ; a 

 stroke-measurer. 



