TINAGMUS 



1520 



TIRE-FOND 



known from the remotest antiquity, harder than lead 

 and very malleable. When exposed to the air it 

 becomes superficially oxidized. Tin is a constituent 

 of a number of alloys : bronze, bell-metal, pewter, 

 solder, gun-metal, britannia, speculum-metal, etc. 

 See Elements, Table of. T. -amalgam, tin 3 parts 

 and mercury I part. It is used for filling teeth and 

 as a vermifuge. T. -block, a thin plate of iron 

 coated with tin. T. Chlorid, stannous chlorid, a dis- 

 infectant. T.-foil, tin in thin sheets, or layers; used 

 in pharmacy, chiefly as a material for wrapping 

 various drugs. T., Powdered, Pulvis Stanni ; for- 

 merly used as an anthelmintic. All unof. 



Tinagmus (tin-ag'-mus) [Tivay/ioc; nvaooeiv, to shake]. 

 A concussion. See Rectal Tenesmus. 



Tinea {tin'-kah) [L.]. A tench ; a small fish. 



Tincae, Os. The tench's mouth; an old name for the 

 os uteri. 



Tincal (ling'-kal) [Malay, tingkalj. An oriental 

 name for crude borax. 



Tinction {tingk' '-shun) [tingere, to dye]. A staining 

 material. A tint. The process of staining. 



Tinctorial (tingk-to'-re-al) [tingere, p.p., tinctus, to 

 dye]. Pertaining to staining or dyeing. 



Tincturation {tingk-tu-ra' -shun) [tinctura, tincture]. 

 The preparation of a tincture ; the treatment of a sub- 

 stance in such a way as to make a tincture from it. 



Tincture, Tinctura {tingk' -Mr, tingk-tu' '-rah)[L.: gen., 

 Tinctures ; tingere, to tinge], A tincture. In phar- 

 macy, an alcoholic solution of the medicinal principles 

 of a drug, and, excepting the tincture of iodin, of 

 non-volatile bases. The strength of tinctures varies 

 from t 4 q per cent, to 65 per cent, of the active princi- 

 ples of the drug. There are 72 official tinctura, be- 

 sides 31 in the National Formulary. T. amara. 

 See Bitter Tincture. T., Ammoniated, a solution 

 of a medicinal substance in spirit of ammonia. T. 

 antacrida. See Guaiac-mixture, Tenner's. T. 

 capsici et myrrhae. (N. F.) Same as Hot Drops. 

 T., Ethereal, the solution of a drug in ethereal 

 spirit. T., Huxham's. See T. cinchona composita. 

 T., Warburg's. See Warburg's Tincture. 



Tinder, German. See Amadon. 



Tinea Uin'-e-ah) [tinea, a moth-worm]. A generic 

 term applied to a class of skin-diseases caused by the pres- 

 ence of filamentous fungi. T. amiantacea. Synonym 

 of Seborrhea. T. asbestina. Synonym of Seborrhea . 

 T. axillaris, ringworm of the axilla. T. barbae. Same 

 as T. sycosis. T. ciliorum. Same as Eczema tarsi. 

 T. circinata, T. corporis ; Herpes circinatus ; ring- 

 worm of parts devoid of hair. It is of frequent occur- 

 rence in children with ringworm of the scalp, but 

 is seen especially in adults. The patches are most 

 commonly situated on the neck, face, and hands, but 

 may occur anywhere. They are at first sharply de- 

 fined, circular, slightly raised, pinkish, and covered 

 with fine gray scales. They form rings and gyrate 

 patches. Itching is seldom marked. T. corporis. 

 See T. circinata. T. cruris, a variety of ringworm 

 occurring upon the inner surface of the thighs, and 

 accompanied by a considerable degree of inflamma- 

 tion. T. decalvans. See Alopecia areata. T. 

 favosa. See Eavus. T. imbricata, Tokelau Ring- 

 worm ; Bowditch Island Ringwortn : Lt Pita ; Gune ; 

 Cascadoe ; Herpes desauamans ; a tropical, vegetable- 

 parasitic, contagious disease, characterized by the for- 

 mation of patches of concentric, scaly rings. Lt attacks 

 any part of the body except the head. The scales 

 vary in size up to half an inch square and are free at 

 their edge*, which are slightly curled, or in old cases 

 large, thick, and horny. Intense itching is the only 

 other symptom. T. kerion, a suppurative form of 



T. tonsurans. T. lupinosa. Synonym of Eavus, 

 T. nodosa, Paxton's Disease ; a nodose condition of 

 the hair of the moustache, accompanied by thickening, 

 roughness, and some fragility. T. sycosis, Menta- 

 gra parasitica ; Sycosis parasitica ; Barbe/s' Itch; ring- 

 worm of the beard ; a common affection the result of 

 the irritating effect of tricophyton upon the follicles of 

 the hairy portions of the face. It consists of circular, 

 scaly, itchy patches or rings in the beard, very rarelv 

 on the upper lip, extending at the periphery and coal- 

 escing to form gyrate areas. If allowed to go on a 

 pustular folliculitis is produced. T. tarsi. See 

 Eczema palpebrarutn. T. tondens. Synonym of 

 T. tonsurans. T. tonsurans, Herpes tonsurans; 

 ringworm of the scalp, a common and troublesome dis- 

 ease among children. It appears as single or multiple, 

 circular or oval, irregularly distributed, reddish or 

 grayish, scurfy spots on the scalp, attended with slight 

 itching. A slight vesication may be present at the 

 spreading edge. The hairs over the spots are scanty, 

 lusterless, stumpy, swollen at the root, with fringed or 

 twisted ends, and are often pigmented. Gradually 

 these patches coalesce to form irregular patches over 

 the scalp. In some cases smooth, bald, shining white 

 patches are produced {bald i-ingvvorm). The affection 

 is a chronic one. T. trichophytina, Ringworm ; a 

 contagious disease of the skin due to the presence of a 

 vegetable parasite. T. vera. Synonym of Eavus. 

 T. versicolor, Pityriasis versicolor ; a common dis- 

 ease of the skin due to the presence of a vegetable 

 parasite {microsporon furfur). It is characterized by 

 the existence of fawn-colored or brown, slightly scaly 

 patches, usually confined to the trunk. It is essenti- 

 ally a disease of middle life (between fifteen and forty- 

 five years), runs a chronic course, and produces slight 

 or no subjective symptoms. The favorite seats of the 

 disease are the front of the chest, the abdomen, and the 

 interscapular region. The lesions consist, at first, ol 

 small, circular, discrete spots, which soon coalesce to 

 cover extensive, irregular areas, or even the whole 

 trunk. These patches are sharply defined, and their 

 surface is finely scaly. They may become inflamed. 



Tingible {tiuj'-ib-l) [tingere, to tinge]. That which 

 may be tinged ; stainable. 



Tingle {ting'-gl) [ME., tinglen, to tingle]. A prick- 

 ing or stinging sensation ; the feeling of a slight, 

 sharp, and sudden thrill, as of pain. 



Tingling {ting'-gling). See Pins and Needles. 



Tinker's Weed. See Triosteum. 



Tinkling {tingk' -ling) [ME., tinklen, to tinkle], A 

 sharp sound, like that caused by striking one piece ol 

 metal lightly by another. T., Metallic, an ausculta- 

 tory chinking sound, heard mainly in pneumothorax. 



Tinnitus (tin-i'-tus or tin'-it-us) [tinnire, to tinkle]. 

 Any subjective tinkling or ringing sound. T. aurium, ! 

 the subjective ringing, roaring, or hissing sound heart 

 in the ears in various affections of the tympanum 

 and internal ear, and also after the administration ot 

 certain drugs in large doses, notably quinin. T.. 

 Telephone, a professional neurosis or abnormal net 

 vous condition of the auditory apparatus, believed to 

 be caused by the continual use of the teleph 



Tip [ME., ///, tip]. The point or summit of anything 

 T.-foot, talipes equinus ; a variety of club 



Tire (fir) [ME., tiren, to tire]. A sense of 

 and exhaustion ; fig. 



Tire-balle (tir-bal ) [Fr.]. An instrument foi 

 ing bullets from a part 



Tire-fond {ter-fonig)) [Fr.]. An instrument foi ;•<•'■ 

 trating a cavity or tissue, transfixing and withdrawing 

 foreign bodies, and usually made in the form of 1 

 gimlet. 



