

PLEOCATANTES 



1117 



PLEURARTHROCACE 



P's. Solution, a solution for application to condylo- 

 mata and other hypertrophic syphilitic lesions. The 

 formula is : Bichlorid of mercury and alum, each one 

 ounce ; acetate of lead and camphor, each one dram ; 

 alcohol and vinegar, each 12 ounces. This is applied 

 with a camel's hair pencil. It is likely to produce pain 

 and should be used only in hospitals. 



Pleocatantes {pk-o-kat-an' -tez) [ir?Juv, more ; narav- 



lownward]. Lissauer's term for a skull in which 



.ingle formed between the radius fixus and the line 



joining the hormion and the staphylion is between 45 



and 67 . 



Pleochroism {pie - ok' '- ro - izm) [-/xiuv, more; */»"», 

 color]. The property possessed by some bodies, es- 

 peciallv crvstals, of presenting different colors when 

 iewed in the direction of different axes, due to the 

 that the rays having vibrations in different planes, 

 er absorption in different degrees, 

 hromatic {pk-o-kro-maf -ik) [—/iuv, more; 

 fia, color]. Pertaining to pleochroism. 



Pleocleis ( plP-o-klis) [taeuv, pp. of irMeiv, tt/xiv, to 

 sail, swim ; tOx'tq, a bar, bolt, or hook]. In biology, 

 the tubercle attached to the first somite of the pleon in 

 crustaceans and precluding the carapace from being 

 raised posteriorly. 



Pleokatantes {pk-o-kat-an 1 -tez). See Pleocatantes. 



Pleomastia. Pleomazia {pk-o-mas' '-te-ah, ple-o-ma'- 

 \_-'/iuv, more ; (latsroq, or jua^oq, breast]. The 

 condition of having more than two mammae. See 

 Polymastia. 



Pleomorphic ( pk-o-mor'-fik ) [-?Juv, more ; fiopfir/, 

 form]. Having more than one form. 



Pleomorphism \pk-o-mor' fizm). See Pleiomorphism . 



Pleon {pie' -on) {_~?Juv, -«/or, more]. In biology, 

 geli's term for aggregates of organic matter which 

 cannot be increased or diminished without changing 

 their chemic nature. 



Pleon [pie' -on) [irleiv, to sail, to swim]. In biology : 



the abdomen of a crustacean, as distinguished 



from the cephalon or head and pereion or thorax ; 



the telson of certain crustaceans, as Limulus, so 



called by Owen from the idea that it represents the 



abdomen. 



Pleonasm I pie* -o-nazni) [-/.eovaouog, an exaggeration]. 

 Any deformity marked by superabundance of certain 

 organs or parts. 



Pleonectic {pk-o-nek'-tik) \jr?xovt^ia, greediness]. 

 Characterized by pleonexia. 



Pleonexia {ple-o-neks f -e-ah) [rf.eovegia, greediness]. 

 Greediness or arrogance due to mental disease. 



Pleopod p.'y-o-pod) [— ?.ieiv, to swim ; —ore, foot]. In 

 biology, one of the swimmerets or abdominal swim- 

 ming-legs of a crustacean. 



Plerocercus ( pk-ro-sir'-kus) [-l-qprft, full ; Ktpnoq, 

 tail]. In biology, the second larval stage of certain 

 platode>. e. g., Bothriocephaltts latus. (Braun.) 



Plerom, Pleroma {ple'-rom, pie-rot -mah) [-/jypuua, 

 that which fills]. Same as Plerome. 



D lerome ( ple'-rom) [-///puua, that which fills]. In 

 biology, the axial portion of the growing point ; the 

 cylinder or shaft of nascent fascicles ; plerom, pleroma. 

 P. -sheath, in biology, the phloem-sheath in its nas- 

 cent state. 

 Xerosis ple-rc/sis) [-/jpumq, a filling]. I. The 



restoration of lost tissue. 2. Plethora. 

 Xerotic {pk-rof-ik) [ntypuoic, a filling]. Tending 

 toward, or pertaining to, a plerosis. As a noun, a 

 drug promoting the filling up of wounds by new tissue. 

 3 lesiopia [ples-e-ot-pe-ah) [Tr/j/oioc, near; urfr, eye]. 

 Increased convexity of the crystalline lens, producing 

 myopia, and due to long-continued accommodation- 

 strain. 



Plessimeter {pks-im'-et-er). Synonym of Pleximeter. 



Plessor {pks'-or). Synonym of Plexor. 



Plessy's Green. Same as Mittkr's Green. 



Plethomeria ( pleth - o - mer*- e-ah) [tt/j^oc, fulness ; 

 fttpoq, part]. Redundancy or over-growth of an or- 

 gan or part. 



Plethora {pleth' - o - rah) \_-/jjftd>pi/, rfffioc, fulness]. 

 Abnormal fulness of the blood-vessels, or super- 

 abundance of blood. See Polyemia. P. apocoplica, 

 the condition that follows major amputations attended 

 with little loss of blood. P., Hydremic. Synonym 

 of Hydremia. P. hyperalbuminosa, an increase of 

 the albuminoid elements of the blood-plasma. P. 

 polycythaemica. Synonym of Polycythemia. P., 

 Serous, an excess of serum in the blood. P. uni- 

 versalis, plethora affecting all the body. 



Plethoric {pleth' -o-rik ) [-/Jjdoe, fulness]. Pertaining 

 to plethora. 



Plethysmograph {pleth -iz' '-mo -graf) [ir/jjdwfiSc, in- 

 crease ; ypafyeiv, to record]. An instrument for ascer- 

 taining changes in the volume of any organ or part, 

 dependent upon changes in the quantity of the blood. 



Plethysmographic {pleth-iz-mo-graf'-ik ) {x/jflvafioq, 

 increase; ypdteiv, to write]. Pertaining to the pleth 

 ysmograph. 



Pleumonia {plu- mo / -ne-ah) [^/xi'uov, the lung] 

 Synonym of Pneumonia. 



Pleura {plu' -rah ) [-u/xvpd, a side]. The serous mem 

 brane which envelops the lung {P., Pulmonary), and, 

 which being reflected back, lines the ental surface of 

 the thorax {P., Costal). In biology : {a) the lateral 

 portion of the integumentary segments of an arthro- 

 pod. It lies between the tergum and sternum, and 

 consists of the epimeron and epistemum ; {b) one of 

 the lateral tracts of the rachis of the lingual ribbon of 

 gastropod molluscs. P. costalis. See P., Costal. P., 

 Diaphragmatic, the reflection of the pleura upon the 

 upper surface of the diaphragm. P., Parietal. Syn- 

 onym of P., Costal. P., Pericardial, the portion of 

 the pleura contiguous to the pericardium. P. phren- 

 ica. Synonym of P. , Diaphragmatic. P. pul- 

 monalis. Synonym of P., Pulmonary. P., Visceral. 

 Synonym of P. , Pulmonary. 



Pleural {plu r -ral) [jr/xvpa, pleura]. 1. Pertaining to 

 the pleura. 2 \jr'/.evp6v, rib]. Pertaining to a rib, 

 or the ribs; costal. P. Eclampsia. See P. Epi- 

 lepsy. P. Epilepsy, a convulsion sometimes fol- 

 lowing the procedure of washing out the pleural cav- 

 ity. It may terminate fatally, or may end in mono- 

 plegia or hemiplegia. P. Reflexes, grave nervous 

 phenomena which develop in the course of removal of 

 a pleural effusion, either at the time of aspiration or, 

 more often, during the process of washing out the 

 pleural cavity. Sudden unconsciousness, with tonic 

 and clonic convulsions, hemiplegia, with or without 

 aphasia, paralysis of the arm on the affected side, 

 sometimes with hemichorea, are some of the conditions 

 that have been observed. 



Pleuralgia {plural' -je-ah) [jzfxvpa, side; a/.yoq, pain]. 

 Intercostal neuralgia. 



Pleuralgic {plu-ral'-jik) [^r'/xvpa, side ; a/.yoq, pain]. 

 Pertaining to or affected with pleuralgia 



Pleurapophyseal f pul-rap-off-iz f -e-al) \jOsvp6v, rib; 

 a^fovotc, offshoot]. Pertaining to a pleurapophysis. 



Pleurapophysis {plu-rap-off ' -is-is) [n/.svpov, a rib; 

 axoovotq, a process : pi., Pleurapophyses\ In biology, 

 one of the lateral processes of a vertebra, having the 

 morphologic valence of a rib ; a true rib. 



Pleurapostema {plu-rap-os-te' -mah) [-/xvpa, pleura ; 

 airocrrjfia, abscess]. A collection of pus in the cavity 

 of the pleura. 



Pleurarthrocace {plu-rar-throk / -as-e) [v?xvp6v, rib ; 



