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.

    645/692 (page 617)
    TRO'CHLEA (xpoxos, a wheel). A kind of cartilaginous pulley. Hence— 1. Trochlearis. An articulation in which one part moves round another lil<e a pulley. Also, a name of the obliquus superior, or that muscle of tlie eye which passes through the trochlea or pulley. 2. Trochleares Another name for the nervi pat/iedci, or neiTes of the fourth pair, distributed to the trochlearis muscle of the eye. TROCHOl'DES (Tf.dxot, a wheel, fMos, likeness). Wheel like ; a species of diarthrosis, or moveable articulation of bones, in which one bone rotates upon another; as the radius upon the ulna. TRO'NA. The name given in Africa to the sequi-carbonate of soila, imported from the coast of Barbary, where it is collected by the natives. TRO'PHOSPERM (t<.£</mu, to nourish, inrii>fia, seed). The name given by Richard to the placenta in plants. TRU'FFLE. The Tuber Cibarium, an indigenous subterranean fungus, used for culinary purposes. TRU'NCATE (truncahis, lopped). Terminating very abruptly, as if a portion had been cut off, as the leaf of tulip-tree. TRUSS (fov)!(sse, French). Bracherium. A bandage, or apparatus, for keeping a hernia reduced. TUBA (tubus, a tube). A trumpet; a canal resembling a trumpet. 1. Tiiha Emtuchiuna. A canal, partly bony, partly cartilaginous and membranous, which extends from the cavity of the' tympanum to the upper part of the pharynx. »2. TuhcE Full(jpiuii(B. The Fallopian tubes; two canals at the fundus uteri, of a trumpet form, described by F.allopius. TUBE OF SAFETY. A tube open at both ends, inserted into a receiver, the upper end communiciting with the external air, and the lower being immersed in water. TU'BER (tumeo, to swell). A protuberance or tuberosity. * 1. Tulier annuture. A designation of the pons Varolii, the com- mencement of the medulla oblongata. Tliis part of the brain has been not inappropriately designated nmlus encephaU, iiceud vital, &c. 2. Tutier cinerenm. An eminence of grey substance, forming part of the floor of the third ventricle. 3. Tiilier ischii. A round knob, forming that point of tlie ischium upon which we sit ; hence, this bone has been named os sedentarium. 4. The Tidierosities of the os humeri are two small prominences of unequal size, called the tjreater and the smaller, situated at the upper end of the bone, just behind the head. TUBER. OF PLANTS. An annual thickened subterranean stem, provided at the sides with latent buds, from which new plants are pro- '^^Tr'n^oJ^l?,'-'!',,, ^^'■'^ ^'y ^^11' is called tubercniam. TUBER CULUM (dim. of tuber, a swelling). A tubercle, or small sweJlmg: a pcciihar morbid product, occurring in various organs, in the foi-m of a small round body. The term is now restricted to a small swelling or collection of a peculiar scrofulous matter ]. Tubrreiilum malicpmm. Malignant tubercle ; carcinoma of the sebiparous g ands; a small, hard, indolent tubeirle, seated on some part ot the skm ot the face, and differing from other malignant affec- tions m the e-xtreme tardiness of its progress and the little inconve- nience which It occasions. It is probably what is sometimes called a cancerous wart.