TAUBENZECKE 



1459 



TECOMA 



ally resorted to. For white, use baryta white, and for 

 other colors, the earth-colors (ochers ; yellow, brown, 

 red). To assist these cinnabar and ultramarine may 

 be used. Mix the colors on a glass plate and impreg- 

 nate the needles. Electrolysis followed by tattooing 

 is useful in cases of vascular nevi. T. of Cornea, 

 an operation to diminish the unpleasant appearance of 

 leukoma of the cornea by tattooing the same so as to 

 simulate the appearance of the normal pupil and iris. 



Taubenzecke (tou-ben-zek' -eh) [Ger.]. The German 

 name for an insect, Argas re/lexa, whose sting produces 

 local, and in some cases general edema. See under 

 Parasites [Animal), Table of. 



Tau-bone (tattZ-bon) [rai; a Greek letter T; ME., 

 bene, bone]. A T-shaped bone, such as the episternum. 

 It is also called T.-bone. 



Taurin (taw'-rin) \taurus, bull], C 2 H 7 NSO s . Amido- 

 ethyl-sulphonic acid. A decomposition-product of 

 bile ; a stable compound that crystallizes in large col- 

 orless monoclinic prisms, insoluble in alcohol, but 

 readily dissolved by hot water. It melts and decom- 

 poses at about 240 C. It occurs in combination with 

 cholalic acic and as taurocholic acid in bile. Traces 

 are present in the juices of muscles and of the lungs. 



Taurocholic Acid (taiv-ro-kol'-ik). See Acid. 



Tautomeric ytaw-to-mer* ' -ik) [ravro, same ; fiipoq, part]. 

 Exhibiting tautomerism ; a qualification applied to 

 compounds to which two different structural formulae 

 may be rightly attributed. 



rautomerism taiv-tom' -er-izm) \_-ai-r6, same ; fiipor, 

 share]. I. The attribution of two different formulae 

 to one compound. 2. The quality exhibited by 

 those cases in which two structural formulae are possi- 

 ble, while but one compound appears to be obtainable. 

 It is assumed that in such bodies the formulae are sus- 



I ceptible of change from one arrangement to the other. 

 The phenomenon has also been called desmotropy. 



Tawed Leather (tawd). See Leather. 



Taxidermic (taks -id- er'- mik) [rd^ic, arrangement; 



. skin]. Belonging to taxidermy. 



Taxidermy (taks'-id-er-me) [rd^ic, arrangement ; depfia, 



skin]. The art of preserving and stuffing the skins of 



animals, so as to represent the appearance, habits and 



attitudes during life. 



^axinomy itaks-in'-o-me) \jdi-iQ, arrangement; vouoq, 



law]. The science of systematic classification, 

 "axin (taks' -in) [rd^oa, yew-tree]. The resin of the 

 leaves of the yew-tree, Taxus baccata ; also, a poison- 

 ous alkaloid reported to have been found in the leaves 

 and seeds of the same tree. 



'axiology (taks-e-ol' -o-je) [rd^ic, arrangement ; 'fdyoq, 

 treatise]. The science of classification, 

 'axis i taks' -is) [rat-ig, order; rdooeiv, to arrange]. 

 Arranging. A reduction of a prolapsed structure, as 



I a hernia or a uterus, by methodic manipulation without 

 instruments, 

 axodium i taks-o' -de-um)\rd^oq , yew-tree ; e'«5oc, form]. 

 The common bald or black cypress of the southern U. 



I S. and Mexico, said to destroy malarial germs. The 

 leaves and seeds are used internally in hepatic diseases. 

 Unof. 

 axonomic ( taks - - nom' -ik) [ ~d!-tx , arrangement ; 



! v6fUH;, law]. Pertaining to systematic classification, 

 axonomy [taks-on' -o-me) [rdf <c, orderly arrangement ; 



; v6uo^, a law]. That portion of a science which treats 



; of classification and nomenclature, 

 axus (taks' -us) [rdt-oc, yew-tree]. A genus of cone- 

 bearing trees, the yews. T. baccata, the common 

 luropean yew-tree. Its leaves and seeds are poison- 



| ous and have sedative qualities. Unof. 

 ay s Choroiditis, a form of central choroiditis seen in 

 persons in advanced years. Its course is chronic and 



there occur changes which resemble those observed in 

 albuminuric retinitis. 



Taya (ta'-yah) [S. America]. A S. American " species 

 of plants said to be exceedingly poisonous, and to be 

 an ingredient of some kinds of curare. 



Tayuya (ta-u'-yah) [S. America]. The root of certain 

 South American plants (Dermophylla pendulina, 

 Trianospermia ficifolia, etc. ) used in the treatment of 

 syphilis and of certain cutaneous diseases. Dose of 

 tinct. , gtt. v-xv. Unof. 



Tea (te) [Chinese ts'a, tea]. Thea. The leaves of 

 Camellia thea, a Chinese evergreen shrub. Tea con- 

 tains an alkaloid, thein, and tannic acid, boheic acid, 

 gallic acid, gluten, coloring-matter, etc. A decoc- 

 tion of the leaves is a popular astringent, restorative 

 beverage, which produces an exhilarating effect upon 

 the nervous system. Its excessive use causes dys- 

 pepsia and various nervous derangements. The 

 properties of tea are due to thein (C g H, N 4 O 2 ), a 

 substance identical with caffein and a mild cerebral 

 stimulant. Dose of the fid. ext. TT\,x-3J. Unof. 

 Thein is also given hypodermatically in doses of gr. 

 */(,-) several times a day, for the relief of pain. T.- 

 berry. See Gaultheria. T.-leaf Eye, a mucopuru- 

 lent conjunctivitis caused by the prolonged application 

 of tea-leaves to the eye for their supposed therapeutic 

 effect in ocular disease — chiefly among the negroes 

 of the southern United States. Tea, Substitute for, 

 a decoction of pearl-barley. T., Teamsters'. See 

 Tepopote. 



Teale's Amputation. A form of amputation in which 

 two rectangular flaps are made ; the long flap, folding 

 over the end of the bone, is formed of parts free from 

 large blood-vessels and nerves, those structures being 

 left in the short flap. The length and breadth of the 

 long flap are equal, being one-half the circumference 

 of the limb at the point of amputation. The short flap 

 is one-fourth as long. See Operations, Table of. 



Tears (terz) [ME., leer, tear]. 1. The secretion of 

 the lacrymal gland. 2. Hardened lumps, or drops, 

 of any resinous or gummy drug. 



Teasing \ tez'-ing) [ME., tesen, to tease]. The shred- 

 ding or arranging of a minute object, with a needle or 

 other suitable instrument, with a view of preparing it 

 for microscopic study. 



Teat (tel) [ME.,W;,a teat]. The nipple: a part of 

 the excretory duct of the mammary gland; the mam- 

 milla, or papilla. 



Technic, Technique (tek'-nek) [rexvy, art]. A syste- 

 matic series of manipulative procedures. A formula 

 of operation. 



Technical (tek'-nik-al) [rixvr], art]. Pertaining to 

 any art. 



Technocausis {tek-no-kaw' -sis) \jExyy, art ; naiuig, a 

 burning]. Mechanical cauterization, such as electro- 

 cauterization, moxa, etc., in distinction from the cauter- 

 ization produced by chemicals. 



Technology (tek-nol'-o-je) [~£^w/, art ; /dyoc, a treat- 

 ise]. The science or explanation of the terms used in 

 science or art. 



Tecnology (tek-nol'-o-je) [riavov, child; 7.6yoq, study]. 

 The study or scientific knowledge of childhood, its 

 hygiene, diseases, etc. 



Tecnotonia (tek no-to'-ne-ah) [riicvov, child ; n-eii-eir, 

 to kill]. Child-murder. Infanticide. 



Tecoma (tek-o / -mah) [Aztec,&wwrt n*-//?'/7, thenameof 

 Solandra guttata~\. A genus of bignoniaceous plants, 

 mostly climbers, with showy, trumpet-like flowers. T. 

 impetiginosa, the bark is used in lotions for inflamed 

 joints. T. ipe, a Brazilian species ; the leaves are used 

 in ophthalmia. T. radicans, common in the United 

 States ; is said to be vulnerary and sudorific. Leaves 



