PHOSPHOROUS 



415 



PHTHISIN 



for comparative estimation of the degree of phosphor- 

 escence in solids, liquids, and gases. 



Phosphorous infos' -far-US'). Containing phosphorus as 

 a trivalent radicle. 



Phosphotal {fas' -fot-al). Creasote phosphite. See 

 Phosphatol. 



Phosphovinate (fos-fo'-vin-at). A salt of phospho- 

 vinic acid. 



Phossy Mouth. See Jaw, Phossy. 



Phote ( fot) [owe, light]. The unit of photochemic 

 energy employed in connection with determination 

 of the solidity of colors to average solar light at 

 noon. 



Photic (fo'-tik) [owe, light]. Relating to light. 



Photobacterium (fo-to-bak-te're-um). See Bacteria, 

 Table of villus. Diet.). 



Photochromoscope ( fo-to-kro' -mo-skbp) [owe, light ; 

 Xpufia, color; gko—e/v, to view]. An apparatus for 

 exhibiting photographs reproducing the natural colors 

 of the objects. Cf. Krcmskop. 



Photoelectricity (fo-to-e-lek-tris'-it-e). Electricity pro- 

 duced bv the decomposition of the element of a galvanic 

 battery by action of light. 



Photoelement (fo-to-el' '-e-ment). The element of a 

 galvanic battery which by decomposition gives photo- 

 electricity. 



Photofluoroscope {fo-to-flu' -o-ro-skop). See Fluoro- 

 scope. 



Photogenesis (fo-to-Jen'-e-sis) [owe, light ; ; error, to 

 produce].- The production of light or of phosphor- 

 escence. 



Photogenic ( fo-to-jen' -ik) [owe, light ; yevvav, produc- 

 ing]. Light-producing ; applied to phosphorescent 

 organisms. 



Photographometer (fo-to-graf-om'-et-ur). A device 

 used with a camera to estimate the amount of a de- 

 formity. Cf. Scoliosometer ; Goniometer. 



Photography. (See Illus. Diet.) P., New, P., X-ray. 

 See Skiagraphy. 



Photolyte (fo'-to-lit) [owe, light; /.ietv, to loose] . Any 

 substance which decomposes by action of light. 



Photomechanical ( fo-to-me-kan'-ik-al). Mechanical 

 and due to the action of light. 



Photometry ( fo - torn' - et - re) [dwe, light; ui-pov, 

 measure]. The measurement of the intensity of light. 



Photopathy {fo-top'-ath-e) [owe, light ; ttclBoc, a passive 

 state]. A term proposed by Holmes (1901) as the 

 antonym of phototaxis. 



Photophilic (fo-to-Jii' -ik) [owe, light; ou.tlv, to love]. 

 Seeking or loving light. 



Photophylia {fo-to-fil'-e-ah) [pwc, light; pl/ua, love]. 

 Fondness of light. 



Photoptic (fotop/tik) [owe, light; o-tikoc, pertaining 

 to sight]. Relating to photopsia. 



Photoscope (fo-to-skop) [owe, light; oianreiv, to view]. 

 I. A fluoroscope. 2. An instrument used in inspect- 

 ing the antrum of Highmore as regards the trans- 

 lucency of its walls. 



Photo-shootur. The native Indian name for a disease 

 similar to vaccinia, affecting the udder of the camel. 

 It is communicated to those milking the camels. 



Photoskioptic {fo- to- ski-op' -tik) [owe, light ; oicia, 

 shadow ; 6-riKog, pertaining to sight]. Skiagraphic. 



Photosyntax (fo-to-sin'-laks) [pwe, light ; ovvraooeiv, 

 to arrange]. See Phytosyntax. 



Photosynthesis (fo-to-sin' '-thesis) [owe, light ; oivdtoic, 

 putting together]. The building up of an organic com- 

 pound by the action of light through the agency of 

 chlorophyll, considered to be due to a soluble ferment, 

 the chlorophyll acting simply as a chemical screen or 

 sensibilizer. 



Phototachometer (fo-tortakom' '-et-ur) [owe, light ; 



rd^oc, speed ; fierpov, measure]. An apparatus for 

 determining the velocity of light rays. 



Phototherapy ( fo-to-ther'-ape) [owe, light ; Oepaneia, 

 therapy]. I. See Photolherapeutics (Illus. Diet). 2. 

 The application of the concentrated chemic rays of 

 light (violet and ultra-violet rays) in the treatment of 

 skin-diseases ; introduced by Finsen. Syn., Aclino- 

 therapy ; Leucotherapy ; Leukotherapy. 3. The treat- 

 ment of smallpox by red light. Cf. Radiotherapy . 



Photra (fZ-trah) [abscess]. East Indian vernacular 

 for trypanosomiasis. 



Phoxocheilous {foks-o-kr'-Ius) [6o^6c, pointed ; ;fe</.oc, 

 a lip]. Having pointed lips. 



Phragmatic ( J 'rag-mat' -ik) [$payp.6c, a fence]. In- 

 closed, shut in ; applied to cattle subject to colic. 



Phragmidiothrix (frag-mid'-i-o-thriks) [$payn6r, a 

 fence ; t)pi£, hair]. A genus of bacteria belonging to 

 the Chlamidobacteriacea ; filaments unbranched ; di- 

 visions in three directions ; sheath scarcely visible. Cf. 

 Leptothrix ; Cladothrix ; Crenothrix. 



Phragmos, Phragmus (frag'-mos, -mus) [typayuoi;, a 

 fence]. The entire dentition encircling the mouth as 

 with a fence. 



Phren [pi. phrenes\ (See Illus. Diet.) 3 The epigas- 

 trium. Phrenes. 1. The pnecordia. 2. The dia- 

 phragm. 



Phrenalgia. (See Illus. Diet.) 3. Neuralgia of the 

 diaphragm. P. sine delirio. See Hypomelancholia 

 and Melancholia, Simple (Illus. Diet.). 



Phrenasthenic (fren-as-then'-ik) [oprjv, mind ; as- 

 thenia']. I. Relating to phrenasfhenia ; idiotic, im- 

 becile. 2. A feeble-minded person. 



Phrenauxe (fen-awks'-e) [opr/v, mind; ai£r/, enlarge- 

 ment]. Hypertrophy of the substance of the brain. 



Phrenetiasis (fren-e-ti-a'-sis). See Phrenitis (Illus. 

 Diet.). 



Phrenitic. (See Illus. Diet. ) 2. Relating to the mind. 



Phrenohepatic { fren-o-hep-atf -ik) [opr/r, diaphragm ; 

 tyrap, liver]. Pertaining to the diaphragm and the liver. 



Phrenoparalysis (fren-o-par-al' -e-sis). See Phreno- 

 plegia. 



Phrenopathy (fren-op'-ath-e) [(bpijv, mind ; nddoc dis- 

 ease]. Metaphysical healing. 



Phrenoplegia. (See Illus. Diet. ) 2. Paralysis of the 

 diaphragm. 



Phrenopneumonitis { fren-o-nu-mon-r" -tis) . A. Hes- 

 ter's name for pneumonia associated with meningitis. 



Phrenorthosis {fren-or-tho' -sis). See Orthophrenia 

 (Illus. Diet.). 



Phrynolysin (frin-ol'-is-in) [ibpivr], a toad ; /.ieiv, to 

 loose]. A substance extracted by Proscher from the 

 skins of toads by action of salt solution ; it has the 

 action of a toxin, is hemolytic for the blood of various 

 animals, and is destroyed by digestive ferments, by 

 alkalis or by heating to 50 C. Cf. Bufonin ; Bufo- 

 talin ; Bufotenin. 



Phthalic (thal'-ik). Pertaining to or derived from naph- 

 thalene. 



Phthinoid {thi'-noid) [ddiveiv, to waste; elSoc, like- 

 ness]. Having a tuberculous character, e. g., phthi- 

 noid bronchitis. 



Phthiriasis. (See Illus. Diet.) P. ciliorum, an affec- 

 tion of the margin of the eyelid due to the presence of 

 Pediculus pubis in the lashes. Syn. , Blepharitis pedic- 

 ulosa. 



Phthiriophagous (thi-ri-of'-a-gus) [qdtip, a louse; 

 oo; £ iv, to devour]. Subsisting on lice. 



Phthisicotherapy {tiz-ik-o-ther'-ap-e). See Phthisio- 

 therapy. 



Phthisin (tiz'-in). A proprietary preparation of the 

 bronchial glands of animals ; used in diseases of the 

 lungs. 



