keratoma lac i a

(ker"a-to-mal-a'sI-ah) [G. keras, hor 523 malakia, softne .] Xerotic keratitis, dryne ith ulceration and perforation of the cornea curring in cachectic children. itome. Keratotome. i to meter (ker-S,-tom'e-ttir) [G. keras(kerat-), ker'a to to me. 3rn(cornea), + metrtyn, measure.] An inrument for measuring the ciirvatures of the keratot'omy >rneal surface..tom'etry. Measurement of the degrees of keraunoneurosis imeal curvature. i to mycosis (ker-§,-to-nii-ko's is) [G. kerasi,keral-), + Dm(come a), mykes, fungus.] Disease of the jmea due to the presence of a fungous growth. keraunophobia itono's is [G. keras, horn.] Any abnormal nonhomy.flamm a tory affection of the layer of the cin. kerec'to my. + Lton'osus [G. keras, horn, nosos, disease.] ke'rion ny disease of the cornea, ceratonosus. Ltonyzis (ker"S-to-niks'is) [G. keras{kerat-), horn,:omea), + nyxis, a pricking.] Puncture of the keritherapy )mea specifically, operative puncture with a view Kerk'ring's; couching or needling the lens in cataract; ) era to centesis. atoplasty [G. keras(kerat-), hom(come a), + la o, I form.] Trephining of the cornea; jmoval of a portion of the cornea containing an pacity and the insertion in place of it of a piece the same size and shape removed from the eye E an animal; corneal grafting, op'tic k., trans kermes-mineral E lant at i on of transparent corneal ti ue to replace leucoma or a scar which obstructs vision, tec)n'ic k., grafting of corneal material on a part Ker'nig's •here it has been lost, without attempt to restore le transparency. i to scleritis (ker"a-to-skle-ri'(re')tis) [G. keras ierai-), hom(come a), + E. sclera + G. -it is.] [i flamm at i on of both cornea and sclera. + a to scope [G. keras, horn, skopeo, I examine.] kern-plas'ma n instrument marked with lines or circles by leans of which the corneal reflex can be observed; lacido's^disc. hom(come a), + itos'copy [G. keras(kerai-), zopia, an examining.] i. Examination of the kerocaine ifiections from the anterior surface of the cornea order to determine the character and amount of ker'oid L A jmeal astigmatism. 2. term first applied by uignet to his method of retinoscopy* on the kero therapy leory that the phenomenoii was a corneal:flex. itose (ker'a-tos). Homy; relating to or marked y keratosis. ketogenic ito's ic. Relating to or marked by keratosis. cones, homy pointed or rounded elevations on ke'tol,. le hands and feet, occasionally observed in cases ke'tone gonorrheal rheumatism.: Any ito's is [G. keras(kerat-), horn.] 1. disease the epidermis, especially one marked by the: resence of circumscribed overgrowths of the jrny layer. ^. An individual lesion of this ketoplas'tic iture, more properly called keratoma, k. follula'ris, Darier's disease, ichthyosis foUicularis, iorospermosis, an overgrowth of the homy layer ke'tose. the epidermis spreading out from the openings: the hair-follicles, k. nigricans, a cant hos is keynote: ^gricans, an affection marked by particles of!gmented, wartlike overgrowths, chiefly on the:in of the face, neck, and hands, in cases of sceral cancer, k. obtu'rans, laminated epithe- Key-Ret'zius il plug, an accretion of epithelia in the external iditory canal, k. pila'ris, pityriasis pilar is,;hen pilar is, roughening of the skin of the thighs id arms, especially in cold weather, by the for.ation of plugs of homy epithelium in the openigs of the hair-follicles, k. seborrhoe'ica, k. KERY-RETZIUS COPUSCLES seborrho'ica, k. senilis, k. sen i'lis, verruca senilis, senile warts, a growth of one or more patches of corneous hypertrophy on the face in old age. k. suprafollicula'ris, k. pilar is. Keratome, a knife used for incising the cornea. [G. keras{kerat-), horn (cornea), -1- tome, incision.] Incision through the cornea. (kS-raw"no-nu-ro's is) [G. keraunos, A thunderbolt, neuron, nerve.] neurosis -I excited by a stroke of lightning or resulting from fright caused by a thunder storm. (kS-raw"no-fo'bI-ah) [G. keraunos, thunder and lightning, + phobos, fear.] Extreme fear of thunder and lightning; Keratectorny. A [G. honeycomb.] single hypertrophic lesion of tinea tonsurans, similar to granuloma trichophyticum (ke-r5!-ther'S,-p!). Kero therapy. folds [The odor Kerkring, Dutch anatomist, 1640-1693.] K.'s valves. K.'s nod'ule, nodulus valvulse semilunar is. K.'s o 'icle, an occasional independent center of o ification in the occipital bone, in the middle of the posterior border of the foramen magnum. K.'s valves, transverse folds of mucous membrane in the small intestine, plicae* circulares, valviJse conniventes. (kur'mez-min'er-al) [kermes, a red dye.] An tim onium sulphur a tum, a mixture of antimony sulphide and oxide. sign [Waldemar Kernig, St. Petersburg physician, *i84o.] When the subject lies upon the back and the thigh is flexed to a right angle with the axis of the trunk, complete extension of the leg on the thigh is impo ible; present in various forms of meningitis. rela'tion the'ory [Ger. kern, kernel, nucleus.] A theory enunciated by Hertwig (1903) that a definite relation as to size normally exists in every cejl between the ma of nuclear material and that of the protoplasm. (ker'o-kah-en) Trade name of novo. caine of English manufacture. [G. keroeides, hom-shaped, horn-like.] Keratoid. (ke-ro-ther'S,-pif) [G. keros, wax, -|- tkerapeia, treatment.] Treatment of burns and denuded surfaces by ambrine or similar wax or paraffin preparations. + (ke-to-jen'ik) [ketone{a,cet on.e) gennao, I produce.] Producing acetone. ke'tole. Indol. A [from acetonef] substance, with the characterizing atom group (CO) linking two hydrocarbon groups; there are a number of ketones, the most important in medicine being dimethyl ketone, or acetone. + [ketone {acetone) pla d, I form.] causing the formation of acetone, or its excretion in the urine and breath. A carbohydrate containing the characterizing group of the ketones (CO). (ke'not). In homeopathy, one of the characteristic symptoms of a drug, serving as a guide for the exhibition of the remedy when a, similar symptom occurs in disease. cor'puscles [Ernst Axel Henrik Key, Swedish physician, 1832-1901; Magnus Gustaf Reizius, Swedish histologist, *i842.] Tactile corpuscles, resembling those of Pacini, fe^nd in the beak of certain aquatic birds. K.-R. foram'ina, openings in the pia mater transmitting the choroid plexus to the fourth ventricle.