TETRA-ETHYL-AMMONIUM 



1508 



TEXAS FEVER 



Tetra-ethyl-ammonium (tet-rah-eth-il-am-o'-ne-um) . 



A proposed solvent for uric acid and urea. It is best 



used in a 10 per cent, solution, the dose being 10 to 



20 minims. It is obtained by decomposing its iodid 



by moist AgNO., or its sulphate by baryta. It occurs 



in deliquescent, hair-like needles, as bitter as quinin. 



It is strongly alkaline and caustic. 

 Tetragenous (tet - raj' - en - us) [rerpa, four; yiyveaOa/, 



to be born]. In biology, applied to bacteria and 



other organisms which produce square groups of four 



as the result of fission. 

 Tetragonal (tel-rag'-o-nal) [rerpa, four, yuvia, angle, 



corner]. Four-angled. 

 Tetragynous (tet - raj' - in - 71s) [rerpa, four; yvvij, a 



female]. Having a gynecium of four carpels. 

 Tetrahydrobetanaphthylamin (tet-rah-hi-dro-be-tan- 



aff-thil ' -am-in). See Hydronaphthylamin. 

 Tetramasthous (tet-ram-as'-thus) [rerpa, four ; fiaadoc, 



breast]. Having four breasts. 

 Tetramastigate (tet - ram - as'- tig - at ) [rerpa, four ; 



fidont;, a whip]. In biology, applied to micro- 

 organisms having four flagella. 

 Tetramazia (tet - ram - a' - ze - ah) [rerpa, four; fiaC,6c, 



breast]. The presence, normal or abnormal, of four 



teats or mammary glands. 

 Tetramerism (let -ram'- er -izm) [rerpa, four; fiepoq, 



part]. In biology, division into four parts. 

 Tetramerous (tet-ram' -er-us) [rerpa, four ; /iepor, part] . 



In biology, having the parts or organs arranged in fours 



or multiples of four. 

 Tetramethylalloxantin (tet-ram-eth-il-al-oks-an'-tin) . 



See Acid, Amalic. 

 Tetramethylenediamin (tet-ram-eth' -ilen-di' -am-in), 



C 4 H 8 (NH,) r A substance identical with putrescin, 



which has been isolated from decaying animal matter. 



It is a liquid with a peculiar odor. It fumes in the 



air and boils at from 156 to l6o° C. On cooling, it 



solidifies to a crystalline mass. 

 Tetrandrous (tet-ran' -drus) [rerpa, four; avi/p, male]. 



Having four stamens. 

 Tetranerythrin (tet-ran-er' -ith-rin) [rerpa, four ; epvd- 



poc, red]. See Tetronerythrin. 

 Tetranopsia (tet - ran - op'- se - ah) [rerpa, four ; 01/xc , 



vision]. A contraction of the field of vision limited 



to one quadrant. 

 Tetra-ophthalmus (tet-rah-off-thal' -mus) [rerpa, four ; 



cxpdaAuog, eye]. A form of monster having four eyes. 

 Tetrapous (tef -rap-us) [rerpa, four; rrovg, foot]. Hav- 

 ing four feet. 

 Tetrapterous (tet - rap' '- ter - us) [rerpa, four; Trrepdv, 



wing]. In biology, having four wings; said of a 



fruit or stem . 

 Tetrapyrenous (tet-rap-i-re' -nus) [rerpa, four ; irvpi/v, 



the stone of a fruit]. In biology, characterized by 



four stones, or pyrenes. 

 Tetrarch (tet'-rark) [rerpa, four ; ap%eiv, to rule]. A 



term descriptive of radial fibro-vascular bundles hav- 

 ing four rays. 

 Tetrascelus (tet-ras' -el-us) [rerpa, four; aneXog, leg]. 



A monster with four legs. 

 Tetraschistic (tet-ras-kis'-tik) [rhpa, four ; ffj/oy/a, a 



cleft, division]. In biology, dividing into four similar 



parts. 

 Tetraselenodont (tet-ras -e-le' -no- dont) [rerpa, four; 



ae7JjvTj, moon; bMvc, tooth]. In biology, applied to 



an animal with molar teeth exhibiting four crescentic 



ridges. 

 Tetrasepalous (tet-ras-ep' -al-us) [rerpa, four; sepaluvi, 



sepal]. In biology, having four sepals. 

 Tetraspermous (tet-ras -per' -mus) [rerpa, four; Oiripfia, 



seed]. In biology, having four seeds. 

 Tetrasporangium (tet-ras-po-raif -je-um) [rerpa, four ; 



anopa, a spore ; ayyeiov, vessel : pi. , Tetrasporangia~\. 

 In biology, a cell in which tetraspores are produced. 



Tetraspore (tef -ras-por) [rerpa, four; aixopa, a spore]. 

 In biology, one of four spores produced in a single 

 mother-cell or sporangium, as in the Red Marine 

 A /gee (Florideee). 



Tetrasporic (tel-ras-por'-ih) [rerpa, four; oxopa, spore]. 

 Composed of tetraspores. 



Tetrasporous (tet - ras - po' - rus) [rerpa, four; arropa, 

 spore]. Of the nature of tetraspores. 



Tetraster (tet-ras' -ter) [rerpa, four; acrijp, star]. The 

 karyokinetic figure when there is a fourfold division 

 of the nucleus and four centers of radiation. 



Tetrastichiasis (tet-ras-tik-i' '-as-is)[rerpa, four; <rW;ro?, 

 row]. Anomalous arrangement of the eyelashes in 

 four rows. 



Tetrastichous (tet - ras' - tik - us) [rerpa, four ; arixoc, 

 row, line]. In biology, in four perpendicular rows. 

 Applied to phyllotaxy. 



Tetrastoma (tet - ras' '- to - mah) [rerpa, four; aroua, a 

 mouth]. A genus of entozoa. See T. renalis, under 

 Parasites (Animal), Table of. 



Tetrathecal (tet-rath-e'-kal) [rerpa, four ; di/nri, case]. 

 In biology, applied to a four-chambered ovary. 



Tetratomic (tet-rat-om'-ik) [rerprz , four ; arotioq, atom]. 

 Containing four atoms ; having four atoms of replace- 

 . able hydrogen. 



Tetravalent (tet-rav'-al-enl). Synonym of Quadriva- 

 lent. 



Tetraxial (tet - raks' - e - al ) [rerpa, four; axii, axis]. 

 Having four axes. 



Tetrazone (tef - raz - on) [taster, foul; ofy, smell], 

 (C 2 H 5 ) 2 N.N: N.N(C 2 H 5 ) 2 . A basic liquid of allia- 

 ceous odor. 



Tetrol (tet'-rol). See Furan. 



Tetronal (tet'-ro-nal) [rerpa, four]. Diethylsulphon- | 

 diethylmethane. A disulphone of the ethyl and 

 methyl groups, harmless in ordinary doses, and having 

 marked hypnotic properties. Dose gr. x-xx, as 

 sulphonal. Unof. 



Tetronerythrin (tet - ron - er'- ith - rin) [rerpa, four ; 

 epvdpdc, red]. In biology, the name applied by 

 Merejkowsky to a group of lipochrome pigments 

 found in animals, and formerly supposed to have a ' 

 respiratory function. See Pigments, Conspectus of. 



Tetrophthalmus (tet -roff- thai' -mus). See Diproso- 

 pus. 



Tetrose (tet'-roz). See Erythrose. 



Tetrotus (tet-ro'-tus). See Diprosopus. 



Tetter (tet'-er) [ME., teter, tetter]. A common name 

 for various skin-eruptions, particularly herpes and 

 eczema. Set Herpes. T., Brawny, seborrhea capitis. 

 T., Dry, dry or squamous eczema. T., Humid. 

 See Eczema. T., Milky. See Crusta lac/ea. T.. 

 Moist. See Eczema. T., Running, includes vi 

 forms of eczema. T., Scaly, psoriasis and squat 

 eczema. 



Tety (tet'-e) [Madagascar]. A skin-disease pecul 

 Madagascar, and characterized by a pustular or squani 

 ous eruption in the neighborhood of the mouth 

 nostrils. 



Teucrium (tu'-kre-um) [revupiov']. Germander, 

 genus of the Ajugeir. T. maritimum, cat th] 

 has errhine and antispasmodic properties, and 

 formerly used in coughs and nervous affections. ' 

 scordium, water-germander, or garlic-germ: 

 formerly used as a tonic, diaphoretic and anthelm 



Texan Fever. See Texas /•>;■<■>: 



Texas Fever. A specific fever communicated by ■'■[ 

 parently healthy cattle living within a certain p 

 nenily infected area in the Southern United State-' 

 cattle north of this area, when the former ;ire taker. 



