A dictionary of terms used in medicine and the collateral sciences / by Richard D. Hoblyn.

  • Richard Hoblyn
Date:
1858
Catalogue details

Licence: Public Domain Mark

Credit: A dictionary of terms used in medicine and the collateral sciences / by Richard D. Hoblyn. Source: Wellcome Collection.

    633/692 (page 605)
    THEBA'IN. Paramorphia. A white crystalline substance, with alkaline properties, procured from opium. Its name is derived from that of Thebes, an ancient city of Egypt. THE'CA (tft'iKi), a case). A case or sheath. Hence, the dura mater of the spinal cord is sometimes called theca verlehralis. Theca, in plants. A term applied to the cavity of the anther, to the sporangium of ferns, to the urn of mosses, &c. THE'CAPHORE a capsule, <^sVw, to bear). The stalk upon ■which the ovary of plants is sometimes seated. It is synonymous with ^^jiojo/iore, podogynium, &c. THE'DEN'S BANDAGE. A particular bandage, sometimes em- ployed in brachial aneurysm ; it begins from the fingers, and extends gradually to the axilla. Scarpa says that it ought to be called the bandiige of Genqa. THEIOTHE'RMIN. The name given by Monheim to an organic substance found in mineral waters, which derives its origin from con- ferva! s. See Zongen. THE'NAR (tiivat>). Vola. The palm of the hand. A muscle extending the thumb. THENARD'S BLUE. A blue pigment obtained by heating phos- phate of cobalt with pure alumina. THEOBRO'iVIA CACA'O. A plant of the order StercMacem, the seeds of which, when roasted and made into a paste with vanilla, con- stitute chocolate. The fragments of the seed-coats, mixed with portions of the kernels, form cocoa. Tlieobromme. A crystallizable substance, obtained from the above plant, resembling caffein. THERAPEU'TICS (etpa-ntim, to take care of). That branch of medicine which relates to the treatment of diseases. It is distinguished into general and special therapeutics. THE'RIACA (tf>)p<aKos, from «>)ptoj/, a beast). Originally, a me- dical preparation against the bite of serpents, and against poison in general; a term now apjilied to treacle. SSS,?,?^^ C^t'c'?. heat). Warm baths or springs. THER'MO-ELECTRICITY (t).',„^„, heat). A\erm applied to the phenomena of electricity developed bv heat THERMO'METER (6^^^.,, heat, mUo.,'a measure). Literally s^measurero/heal; an instrument for comparing the degree of active heat existing m other bodies, by its effect in expanding a column of mercury. ' ° ■^uiu ui ] Fahrenheit's Thermometer. That arrangement of the scale of the instiTiment m which the space between the freezing and the boil ne fnt'o iaO?nr7' T ' r r'''^ the atmosphere, is divided bo linl yi'? 'T''- *e freezing being marked 32=, and the boiling 212 . This scale was adopted by Fahrenheit, because he sup- posed erroneously, that 3-2 of those divisions below the freezing po nt <fc'-momefer. This is the thermometer of Celsius which 18 used in France, and is the most convenient in practice H maXd 0° or ''■•™°*?™?\<'f. the scale, in which the freezing o ut maiked 0, or zero ; and the boiling point 100 3. Reaumur's Thermometer. In this scale the freezing point is