! plessesthesia

(ples-es-the’ze-ah) [Gr. πλήσσειν to strike + αἴσθησις feeling]. Palpatory percu ion; percu ion with one hand against a palpating finger of the other hand. ple igraph (ples’ig-raf) (Gr. πλήσσειν to strike + pave to write]. A form of pleximeter designed to enable the user to mark out the limits of an area. ple imeter (ples-im‘e-ter). Same as pleximeter. ple imetric (ples-im-et’rik). | Pertaining to or performed by a pleximeter. ple or (ples’or). Same as plexor. plethora (pleth’o-rah, pleth-o’rah) (L.; Gr. πληθώρη fulne ]. A condition marked by vascular turgescence, exce of blood, and fulne of pulse. It is attended with a feeling of tension in the head, a florid complexion, and a liability to nosebleed. p. apocop’lica, plethora following a mutation in which there is little lo of blood. p. drse’mica, increase in amount of blood due to increase in the watery element alone. plethoric (pleth-or’ik, pleth’or-ik). Characterized by plethora. plethysmograph (ple-thiz’mo-graf) (Gr. πληθυσμός increase + γράφειν to record]. An instrument for recording variations in the size of parts and in the blood-supply. finger p., a plethysmograph which registers the change in volume taking place in a single finger. Franck’s p., a plethysmograph consisting of an upright gla jar into which the hand and wrist are inserted. (0sco’s p., a plethysmograph consisting of a gla tube filled with warm water into which the hand and forearm are placed. The changes in the water level, caused by the changes in volume of the limb, are graphically recorded. pleura (plu’rah), pl. pleu’re (Gr. πλευρά rib). The serous membrane that invests the lungs (pulmo mon ary p., visceral p.), lines the thorax (parietal p., costal p.), and is reflected upon the diaphragm (diaphragmatic p.). There are two pleurex, right and left, entirely shut off from each other. The pleura is moistened with a serous secretion which facilitates the movements of the lungs in the chest. cervical p., the pleura that comes up into the root of the neck. mediastinal p., a continuation of the costal pleura covering the side of the mediastinum. pleura centesis (plu’’rah-sen-te’sis). Same as pleurocentesis.