PERTUSSIN 



410 



PHAGEDENOMA 



Pertussin (pur-tus'-in). A proprietary remedy for 

 whooping-cough said to consist of the fluid extract of 

 thyme mixed with syrup to procure an infusion in the 

 strength of I : J. 



Perucognac (pe-ru-kon' '-yak). A preparation employed 

 in tuberculosis said to consist of the active principle of 

 balsam of Peru, 25 gr. ; cinnamic acid, 10 fc, in a liter 

 of cognac. 



Peruiferous (pe-ru-if'-ur-us). Yielding balsam of 

 Peru. 



Peruol (pe'-ru-ol). A mixture of peruscabin and castor 

 oil. It is used in scabies. 



Peruscabin (pe-ru-ska'-bin). Synthetic benzoic-acid 

 benzyl ester. It is used in scabies. 



Pes. (See Illus. Diet.) P. anserinus. See P. an- 

 serinus ma/or. P. anserinus fasciae latae, the four 

 or five flat radiating fibers of the fascia lata immediately 

 below the internal condyle of the femur. P. an- 

 serinus major, the radiation formed by the three 

 primary branches of the facial nerve after its emergence 

 from the stylomastoid foramen. P. anserinus minor. 

 See P., Infraorbital. P. anserinus nervi mediani. 

 See Plexus anserinus nervi mediani. P. arcuatus, 

 talipes cavus. P. calcaneovalgus, talipes calcaneo- 

 valgus. P. calcaneus, talipes. P. cavus, P. ex- 

 cavatus, talipes cavus. P. corvinus, crow's-foot, the 

 wrinkles radiating from the outer canthus of the eye. 

 P. febricitans, elephantiasis. P. gigas, macropodia. 

 P., Infraorbital, the radiating rami of the infraorbital 

 nerve after it emerges from the infraorbital canal. P. 

 olfactorius, the inner root of the olfactory lobe 

 [Wilder]. P. pedunculi, the crusta of the crus 

 cerebri. P. staticus adultorium, P. valgus adoles- 

 centium, flat-foot. 



Pessary. (See Illus. Diet.) 2. A vaginal suppository. 



Pest. (See Illus. Diet.) P., Endemic Miasmatic. 

 See Pestis minor. P., Justinenne. See Plague, 

 Justinian. 



Pestilence. (See Illus. Diet.) P., Aborted. See 

 Pestis minor. P., Choleric, Asiatic cholera. P. 

 glandula, the plague. P., Hemogastric, yellow 

 fever. P., Hip. See Quebrabunda. P., Lesser, 

 P., Masked. See Pestis minor. P., Septic, the 

 plague. 



Pestis. (See Illus. Diet.) P. minor, an oriental dis- 

 ease resembling the plague but not necessarily fatal. 

 It is believed to have been a mild or modified form 

 of bubonic plague. Syn. , Endemic miasmatic pest ; 

 Aborted pestilence ; Lesser pestilence ; Masked pestil- 

 ence ; Fr., Peste fruste. Peste fruste [Fr.]. See 

 Pestis minor. 



Petalobacteria {pet-al-o-bak-te f -re-ah) \jTera7iov, leaf; 

 Bacterium"]. Bacteria in the zooglea stage. 



Petanelle (pet'-an-el). A patented preparation of 

 fibrous peat used as an absorbent. 



Petiolus. (See Illus. Diet.) 2. The manubrium of the 

 malleus. P. glandulae pinealis. See Peduncle of 

 the Pineal Gland (Illus. Diet.). 



Petit-grain { pet-e-gran) [Fr.]. Orange berries ; small, 

 unripe, bitter oranges. 



Petroleum. (See Illus. Diet.) P. Ether, Light, 

 canadol. P. -jelly, petrolatum. 



Petrolization ( pet-rol-i-za'-s/iun) [petra, rock; oleum, 

 oil]. The act or process of treating waters with kero- 

 sene for the extermination of mosquitos. 



Petrolize ( pet' -rol-lz) . To treat waters with kerosene. 



Petrooccipital (pet-ro-ok' '-sip '-it-al). Relating to the 

 petrosa and the occipital bone. 



Petrosapol {pel-ro-sa'-pol). A proprietary combination 

 said to consist of soap and certain constituents of 

 petroleum residue. It is used in the treatment of dis- 

 eases of the scalp. 



Petrosulfol (pet-ro-sul'-fol). A proprietary product 

 closely resembling ichthyol, but with less disagreeable 

 odor; used as ichthyol. 



Petrous. (See Illus. Diet. ) 2. Relating to the petrous 

 portion of the temporal bone. 



Petrox (pel'-roks). A mixture of paraffin oil, 100 parts; 

 oleic acid, 50 parts ; and alcoholic ammonia solution, 

 25 parts ; a substitute for vasogen. 



Pettenkofer's Soil-water or Ground-water Theory, 

 is that cholera never prevails epidemically where the 

 soil is impermeable to water, or where the level of the 

 soil water is not liable to fluctuations. 



Petuning (pet-u'-ning). A process of sprinkling tobacco 

 with some special preparation to aid in the fermenta- 

 tion and flavoring. 



Peucedanum. (See Illus. Diet.) P. cambyi, Coulter, 

 chuklusa of North America, is used as food by the 

 Indians. P. oreoselinum, Monch., indigenous to 

 middle and southern Europe. The root, leaves, and 

 fruit are used in jaundice and as an antipyretic; it con- 

 tains athamantin. P. palustre, Monch., the root is 

 used in epilepsy and in whooping-cough. Dose, 20— 

 30 gr. (1. 29-1. 94 gm.) 3 times daily and rapidly in- 

 creased to 4 times that amount. 



Peucine (pu'-sen) [nEviui, the fir]. Resin; pitch. 



Peucinous ( pu'-sin-us) [nevar/, the fir]. Relating to 

 or like the fir-tree, resinous. 



Pexin (pek'-sin) [tttji-lc, a curdling]. Rennin. 



Pexinogen {peks-in'-o-jen)\rtfji;iq, a curdling ; yevvav, to 

 produce]. See Kenninogen (Illus. Diet.). 



Peyote (pa'-o-ta). See Mescal. 



Pfeiffer's Phenomenon, P.'s Reaction. See Bacteri- 

 olysis and Reaction, P.'s. 



Phace, Phacea (fi'-se, fa-se / -ah) [oanoq, a lentil]. 

 The crystalline lens. 



Phacicous (fa'-sik-us) [<pai<6<;, a lentil]. Belonging to 

 the crystalline lens. Lentil-shaped. 



Phacocele (fa'-ko-sel). See Phacentocele (Illus. Diet.). 



Phacoideitis (fa-koid-i'-lis). See Phacitis (Illus. 

 Diet.). 



Phacolysis, Phakolysis (fa-koF-is-is) [<pa/«5c, lens; 

 '/ittv, to loose]. I. Dissolution or disintegration of 

 the crystalline lens. 2. An operation for relief of high 

 myopia consisting in discission of the crystalline lens 

 followed by extraction. 



Phacoplanesis (fa-ko-plan-e'-sis) [<f>ai(6c, a lentil ; 

 tt/.civtjoic;, a making to wander]. Displacement of the 

 lens of the eye from the posterior to the anterior cham- 

 ber and back again. 



Phacoscopy, Phakoscopy (fa-kos / -co-pe) [yauSc, a 

 lens ; okokIiv, to view]. The observation and estima- 

 tion of the changes in the lens of the eye caused by 

 accommodative influences. 



Phacotherapy, Phakotherapy [fa-ko-ther'ap-e) [<?ok<$c, 

 lens ; ttepaTreia, therapy]. Heliotherapy. 



Phacozymase {fa-ko-zi'-maz) [((hikoc, lens; (v/n/, a 

 ferment]. Bechamp's name for an albuminous body 

 found with crystalbumin in the watery extract of the 

 crystalline lens, which coagulates at 55 C. and con- 

 tains a diastatic enzyme. 



Phaenakistoscope. See Phenakistoscope. 



Phasnology. See Phenology (Illus. Diet.). 



Phaeoretin (fe-or-et'-in)[ <j>at6c, dusky; /"/rn/y, resin]. 

 C u H g 7 . A resinous extract from rhubarb-root, various 

 species of the genus Rheum. It occurs as a yellowish- 

 brown powder soluble in alcohol and alkalis. 



Phagedenism, Phagedaenism ( fa/ -ed-en-izm). 

 Rapidly progressive ulcerative processes of the soft 

 parts, difficult to control and frequently complicated 

 with chancroid bubos. 



Phagedenoma, Phagedaenoma (fij-ed-en-o'-mah). 

 A phagedenic ulcer. 



