TRIVIUM 



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TROPHIC 



Trivium (triv' '-e-uni)\tres, three ; via, way : pi. , Trivia"]. 

 In biology, the three anterior ambulacra of an echino- 

 derm. 



Trixis (triks'-is) [L.]. A Mexican plant allied to rhu- 

 barb. The root is used as a laxative. 



Trocar (tro'-kar) [Fr., trois-quarts, from its triangular 

 point]. An instrument used in paracentesis, or tap- 

 ping a cavity, as in hydrocele. It consists of a per- 

 forator and a metallic tube. T., Lancet, a trocar hav- 

 ing a lancet-shaped perforator. T., Piloting, Dur- 

 ham's trocar, used for introducing the articulated 

 tracheotomy-tube. T., Rectal, a curved trocar used 

 in tapping the bladder through the rectum. 



Trochal (tro'-kal) \_rpo y \6g, a wheel]. Having the form 

 of a wheel. T. Disc, the wheel-organ of the Rotifera, 

 the ciliated and usually retractile apparatus which pro- 

 jects at the anterior end of the body of the wheel-ani- 

 malcule. 



Trochanter (tro-kan'-ter) [rpuxavri/p ; rpoxog, a wheel 

 or pulley]. The process on the upper extremity of 

 the femur. The major and minor processes at the 

 extremity of the femur which receive the extensor and 

 flexor muscles of the thigh are respectively called 

 the greater and the lesser trochanter. T. tertius, an 

 anomalous process at the upper portion of the popli- 

 teal space of the femur. 



Trochanteric (tro-kan-ter'-ik) \rpoxavrijp, a trochan- 

 ter]. Pertaining to a trochanter. 



Trochantin (tro-kan'-tiii) [rpoxo-VTi/p, a trochanter]. 

 The lesser trochanter of the femur. 



Trochantinian (tro-kan-tin' -eaii) [Tpoxavrijp, trochan- 

 ter]. Pertaining to the trochantin. 



Trochate (tro'-kat) [rpojdc, a wheel]. I. Same as 

 Trochal. 2. Trochiferous. 



Troche (trok, troch, or tro f -ke) [rpojdc, wheel]. A 

 trochischus. A round lozenge. 



Trochia (tro f -ke-aJi) [rpoxoc, a wheel]. A term for- 

 merly applied to the orbit. 



Trochiferous (tro-kif'-er-us) [rpox6c, wheel ; ferre, to 

 bear]. In biology, provided with a trochal organ. 



Trochiform (tro'- kif - orm) [rpox^g, wheel ; forma, 

 form]. In biology, having the form of a top-shell. 



Trochilia (tro-kil' '-e-ah) . See Trochlea. 



Trochin, Trochinus (tro'-kin, trok' '-in-us) \rpoxog, a 

 wheel]. The lesser tuberosity of the head of the 

 humerus. 



Trochinian (fro-kin' -e-an) [rpoxog, wheel]. Pertaining 

 to the trochin. 



Trochiscus (tro-kis'-kus) [rpojar/coc, a little wheel : 

 //., Trochisci\. A troche, pastil, tablet, or lozenge. 

 In pharmacy, a small, flattened cake prepared from 

 a mass of sugar and mucilage as an excipient, with a 

 prescribed medicinal substance. There are 15 official 

 trochisci. 



Trochiter (trok'-it-er) \jpox6g, a wheel]. The greater 

 tuberosity of the proximal end of the humerus. 



Trochiterian (trok-it-e'-re-an) \rpoxog, a wheel]. Per- 

 taining to the trochiter. 



Trochlea (trok'-le-ali) [rpox^a, a pulley]. A part or' 

 process having the nature of a pulley. T. of the As- 

 tragalus, the surface of the astragalus articulating with 

 the tibia. T. of the Femur, the intercondyloid 

 fossa of the femur. T. of the Humerus, an articu- 

 lation at the extremity of the humerus, over which a 

 band of cartilage passes. T. labyrinthi. See 

 Cochlea. T. of the Obliquus oculi superior, T." 

 of the Orbit, the ligamentous ring or pulley, attached 

 to the upper margin of the orbit, which transmits the 

 tendon of the superior oblique muscle of the eye. 



Trochlear (trok' •le-ar) [rpo^t/ia, a pulley]. Pertain- 

 ing to or of the nature of a trochlea. 



Trochlearis (trok-le-a'-ris) [rpoxdUa, a pulley]. Per- 



taining to the trochlea. Also, applied to the superior 

 oblique muscle of the eye. 



Trochleary (trok' -le-a-re). Same as Trochlear. 



Trochleate (trok'-le-dt). Same as Trochlear. 



Trochocephalus (trok-o-sef'-al-us) [rpox6g, wheel; 

 KE(ba?ii/, head]. A rounded appearance of the head, 

 due to partial synostosis of the frontal and parietal 

 bones. 



Trocho-ginglymus (tro- ko-ging' -Urn -us) [jpoxog. 

 wheel; yiyyTiVfiog, ginglymus]. A combination of a 

 hinge-joint and a pivot-joint, as in the huinero-radial 

 articulation. 



Trochoid (tro'-koid) [ -pojdc, wheel]. Serving as a 

 pulley or pivot; involving a pivotal action. 



Trochoides (tro-koi'-dez) [~pox6g, wheel]. A term 

 given to pivot-joints or pulley-joints, such as the at- 

 lanto-axial. 



Trochophora (trok-off' -or-ah) \jpox&g, a wheel ; (ptpeiv, 

 to bear]. In biology, a peculiar larval stage of certain 

 Vermes, having a characteristic preoral ciliated ring. 



Trochosphere (trok' '-o-sfsr) [rpoxog, a wheel ; aoaipa, 

 a sphere]. In biology, applied to various invertebrate 

 larvae bearing a circlet of cilia. 



Trochospheric ( trok - - sfer' - ik ) [ rpoxog, wheel ; 

 cfalpa, sphere]. Pertaining to a trochosphere. 



Troglodyte (frog'-lo-dit) [rpi)y?.rj, a cave; Svelv, to 

 enter]. Inhabiting caverns. 



Troisier's Ganglion. A large lymphatic gland some- 

 times found above the clavicle in cases of retrosternal 

 tumor. 



Trolard's Vein. The large anastomotic vein between the 

 superior longitudinal and lateral sinuses. See Vein, 



Troltsch (von), Corpuscles of. See Corpuscle. 



Troma (tro'-mah). Same as Trauma. 



Trommer's Test. A test for the presence of grape- 

 sugar, or glucose. The liquid to be tested is filtered, 

 and to the filtrate a solution of ammonio-cupric tar- 

 trate is added. If glucose be present, the copper is 

 precipitated in the form of a bright, orange-red, basic 

 cuprous oxid. Boiling facilitates the precipitation, 

 which is sometimes stubborn. See Tests, Table of. 



Tromomania ( trom-o-ma' '-ne-ah ) [ rpdjior, tremor ; j 

 fiavia, madness]. Delirium tremens. 



Tropacocain (tro-pak-o'-ka-in) [atropin ; cocain\ A 

 powerful anesthetic and mydriatic, derived " from a 

 small-leaved coca of Java." It has the general quali- 

 ties of cocain, but appears to be more active. 



Tropaeolin (tro-pe'-o-lin) [rponaloQ, turning]. Certain; 

 azo-dyes, so named because their colors resemble j 

 those of the flower of Tropceolum majus. See Orattgt 

 Colors in Pigments, Conspectus of. 



Tropseolum (tro-pe / -o-lum) [rponaiog, turning]. A 

 genus of the Pelargoniea: including the larkspur,; 

 garden nasturtium. T. majus, Indian ere- 

 Peruvian species. The buds and fruit are usi 

 a condiment. It is said to be stomachic, diuretic 

 and laxative. T. minus L., dwarf nasturtium. I 

 native of Peru, and has the same properties as T 

 majus. 



Trophe (tro'-fe) [rpo<p?/, nourishment]. Aliment. 



Trophesial (tro-fe'-ze-al) [rpoipij, nourishment], 

 taining to or of the nature of a trophesy. 



Trophesy {trof'-es-e) [rpno>/. aliment]. I >efective nutri 

 tion of a part resulting from disorder of the 1 

 regulating nutrition ; trophoneurosis. 



Trophi (tro'-fe) [rpn<p6c, a feeder]. In biology, 

 lective term for those mouth-parts of an invertebral 

 employed in feeding. 



Trophic (trof'-ik) [rpo<pi/, nourishment]. 'Vrtainin 

 to the functions concerned in nutrition, dig' 

 assimilation. T. Centers, centers regulating tin 

 trition of nerves, or through them, of organs. 



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