TRIXOPHEXOX 



553 



TROPISM 



Trinophenon {tri-no-fe'-non). A remedy for burns 

 said to be an aqueous solution of picric acid. 



Trioxyacetophenone {tri-oks-e-as-et-o-fe / -non). See 

 Gallasetophenone (Illus. Diet.). 



Trioxyanthroquinone {tri-oks-e-an-thro-kwin'dn). See 

 Anthragallol. 



Trioxybenzene (tri-oks-e-ben' -zen). See Phloroglucin 

 (Illus. Diet.). 



Tripara {trip 1 '-ar-ah) [tres, three; parere, to bear]. A 

 woman who has borne three children. 



Tripartition (tri-par-tish'-on) [tres, three ; partire, 

 to divide]. A division into three parts or groups. 



Triphasic {tri-fa'-sik). Having three phases or varia- 

 tions. 



Triphenamin [tri-fenf-am-in). An antirheumatic rem- 

 edy said to be a mixture of phenocoll, 2.6 gm., 

 phenocoll salicylate, I gm., and phenocoll acetate, 0.4 

 gm. Recommended for rheumatic complaints. 



Triphenetolguanidin Hydrochlorate [tri- fen - et-ol- 

 gwan'-id-in\. A local anesthetic in o. l</o solution in 

 treatment of eyes. 



Triphenin (tri-ft* '-nin). Propionyl-phenetidin, C 6 H 4 - 

 OC,H 5 XHC,H 5 CO, obtained by boiling paraphene- 

 tidin with propionic acid. It occurs as a white, lus- 

 trous, crystalline powder without odor and having a 

 slightly bitter taste ; soluble in 2000 parts of water. 

 It is used as an antipyretic and sedative. Daily dose, 

 3.0 gm. ; single dose, 0.5-1 gm. Syn., Methylphen- 

 acetin. 



Triphenyl. (See Illus. Diet.) T. Albumin, a cul- 

 ture-medium made by heating dry egg albumin with 

 phenol. It is odorless, tasteless, insoluble in water, 

 alcohol, and potassa solution, but soluble in phenol. 

 T.-guanidin, C^H^Xj. an amorphous powder or 

 hexagonal prisms, soluble in alcohol, melt at 143 C. , 

 obtained from a boiling alcoholic solution of anilin and 

 thiocarbanilid by action of lead oxid. It is antiseptic. 

 The hydrochlorate is soluble in water and melts at 

 24i°-242°C. T. -methane, C 19 H lg , crystalline sub- 

 stance obtained from a mixture of chloroform and ben- 

 zene by action of aluminium chlorid. It is soluble 

 in alcohol, ether, chloroform, and benzene, melts at 

 92 C, boils at 358--359 C. 



Tripod. sSee Illus. Diet.) T., Haller's, tripus Hal- 

 leri ; the celiac axis. T. of Life, T., Vital, a name 

 for the brain, heart, and lungs, as being the mainstay 

 of vitality. 



Triradius {tri-ra'-de-us) [tres, three ; radius, ray; pi. 

 triradii~\. In the impression of the palmar surface in 

 the Gaiton system a triangular area composed of trans- 

 verse ridges at the base of each of the four fingers ; 

 used in the classification of palmar impressions. Syn., 

 Digital triadii, Gallon's deltas. 



Trismic (triz'-mik). Relating to trismus. 



Tristeza. The name used in Argentina for Texas fever. 



Trithialdehyd {tri-thi-al' -de-hid). See Sulfoparalde- 

 hyd. 



Trithiodoformaldehyd tri-thi- o-do - form-al' -de-hid). 

 A substance obtained by Auger by interaction of for- 

 mic acid, lead formiate, and hydrogen sulfid. It 

 occurs in crystals which melt at 216 C. 



Triticonucleic Acid (trit-ik-o-nu-kW -ik) [tritieum, 

 wheat; nucleus]. The name given by Osborne and 

 Harris to the nucleic acid isolated by them from the 

 embryo of wheat. It has the formula C^HgjXjgPjOj,, 

 and is dextrorotatory and closely allied to neucleic acid 

 from yeast. 



Tritipalm (trit'-e-pahm). A proprietary genitourinary 

 tonic said to consist of the fluid extract of fresh saw 

 palmetto, Serenoa serrulata, Benth. et Hook, and 

 couch grass, Agropyron repens, Beaur. Dose, 1 oz. 

 three times daily. 



Tritocone (trit'-o-kon) [rpiroc, third ; Kwwf , cone]. 

 The posterior external cone of the upper premolars. 



Tritol (tri / -tol). Any emulsion of oil, 4 parts, and 

 diastasic extract of malt, I part. 



Tritorium, Triturium {trito / -re-um, tri-ttZ-re-um) 

 [tritus, a rubbing]. A vessel used in separating liquids 

 of different density. 



Tritotoxin (tri-to-toks* '-in) [rpiror, third ; rafotfr, poi- 

 son]. One of the third group into which Ehrlich 

 classifies toxins, according to the avidity with which 

 they combine with antitoxins, tritotoxin combining 

 least readily. Cf. Prototoxin, Deuterotoxin 



Triture (trit'-ur). See Tritorium. 



Trochanter. (See Illus. Diet.) T., Third. See T. 

 tertius (Illus. Diet.). 



Trochosa {tro-k^-sah) [rpofdv, to revolve or to be 

 round]. A genus of spiders of the family Lyconidce. 

 T. singoriensis. Laxmann, a Russian tarantula the 

 bite of which is regarded as poisonous. 



Troglodytism {trog'-lo-dit-izm) [r/j<j;/iy, a cave; 

 dieiv, to enter]. Insufficient habitation, the condition 

 of cave-dwellers. 



Trolley-eye. See Chalkitis. 



Trombidium (trom-bid'-e-um). See Parasites, Table 

 of (Illus. Diet.). 



Tropacocain. (See Illus. Diet.) T. Hydrochlorid, 

 C g H u XO . CjH 5 CO . HC1, used as a local anesthetic 

 instead of cocain hydrochlorate in 2f c to 3^ solutions 

 as less toxic and more reliable. 



Tropate (tro-pat). A salt of tropic acid. 



Tropein \trc / -pe-in). One of several ester-like deriva- 

 tive of tropin by combination of the latter with acids, 

 thus : atropin, daturin, duboisin, and hyoscyamin, 

 isomeric or identical compounds, are derivatives of 

 tropin and tropic or a-phenylhydracrylic acid, phenyl- 

 glycolyl-tropein, or homatropin from tropin and man- 

 delic acid ; benzilo tropein from tropin and benzilic 

 acid, lactyl tropein from tropin and lactyllactic acid. 

 When the acid radicle contains alcoholic hydroxyl, the 

 derived tropeins possess mydriatic action. 



Tropeinism \tr& '-pe-in-izm). Poisoning by any of the 

 tropeins (a. v. ) or by plants (Solanacea) containing 

 tropeins (Atropa belladonna, L., Datura stramo- 

 nium, L., Hycscyamus niger, L., Duboisia myrio- 

 poides, R. Br.). It is characterized in light cases by 

 dryness of the mouth, dysphagia, and acceleration of 

 the puise ; in severer cases by dilation of the pupils, 

 ataxia, clonic spasms, psychic disturbances with ex- 

 cessive excitement ; the severest cases are marked by 

 loss of consciousness, anesthesia, paralysis of the 

 sphincters, and cardiac and respiratory paralysis. 



Tropesis (tro-pe* -sis) [rpoTzij, a turn]. Inclination. 



Trophesic {trof'-es-ik). See Trophesial (Illus. Diet.). 



Trophoedema {trof-o-e-de / -mah) [rpooij, nourishment; 

 edema]. A condition marked by localized permanent 

 edemas, described by H. Meige. T., Chronic, a 

 condition frequently hereditary and of family distribu- 

 tion, marked by hard, white, painless swellings on 

 the legs, lasting through life without material injury to 

 health. 



Trophonine (tro/ / -on-en). A proprietary food said to 

 consist of beef, nucleoalbumin, gluten of wheat, and 

 enzymes of the digestive gland. 



Trophoplasm. (See Illus. Diet.) 2. Strasburger's 

 term for the nutritive cytoplasm. 



Trophotonos [trof-of -on-os) [rpooij, nourishment ; 

 rovor, tension]. Rigidity of contractile tissue due to 

 trophic disturbances. 



Tropic {tro'-pik). Relating to tropin, containing 

 tropin. 



Tropism {tro'-pizm\ [rpoiHf, a turn]. The striving of 

 living cells after light and darkness, heat or cold, etc. 



