CORROSIVE 



333 



COSTEX 



ed. the cast remaining. Three methods are used : 

 I . The injection is composed of rosin and white wax 

 colored with paint, dissolved in balsam of copaiba ; 

 after the injection, the organ is destroyed by hydro- 

 chloric acid and water. 2. Wood' 's Fusiform Metal, 

 -isting of 7 parts of bismuth, 4 parts lead, 2 parts 

 tin, and I part cadmium. The tissues are destroyed 

 •ustic potash. 3. Celloidin : The cold celloidin 

 >\vly and forcibly injected by a syringe, and the 

 soft parts eaten by an acid or a digesting fluid. 



Corrosive (kor-o'-siv) [con, intensive ; rodere, to gnaw]. 

 A substance that destroys organic tissue either by 

 direct chemic means or by causing inflammation and 

 suppuration. C. Chlorid, mercuric chlorid. C. 

 Sublimate. See Hydrargyrum. C.-sublirnate 

 Bath. See Bath. 



Corroval (kor'-o-val). A variety of curare, or arrow- 

 poison ; a cardiac and muscular paralyzant. 



Corrovalin [kor-o / -val-in). A poisonous alkaloid ob- 

 tained from corroval. Unof. 



Corrugator (kor 1 '-u-ga-tor) [corrugere, to wrinkle]. 

 That which wrinkles. See Muscles, Table of. 



Corset {koi^-set) [F. , dim. of cors, body]. In sur- 

 gery, an investment for the abdomen or chest, or both ; 

 useful in some spinal disorders and deformities, and 

 in fractures or injuries of the thoracic walls. C. -liver, 

 a liver characterized by a furrow resulting from the 

 pressure exerted by a corset and situated chiefly in 

 the right lobe. It is due to habitual tight lacing, and 

 hence is found in women and, rarely, among soldiers. 

 If extreme, the furrow can be felt along the margin 

 of the ribs if the abdominal walls are lax. 



Corsican Moss. A mixture of fragments of various 



' seaweeds, brought from Corsica, etc. ; called, also, 

 helminthochorton . It is said to be alterative, febri- 

 fuge, anthelmintic, and nutritious. Unof. 



Corson's Paint. A substance used as a means of coun- 

 ter-irritation. It consists of croton oil 2 drams, ether 

 4 drams, compound tincture of iodin sufficient to make 

 2 ounces. Paint over the affected part with a camel' s- 



: hair pencil once daily. 



Cortex (kor'-teks) [L. , bark]. The bark of an exo- 

 genous plant. C. aurantii, orange-peel. C. cerebri, 

 the external layer of gray matter of the brain. C. 

 renalis, the cortical substance of the kidney. 



3orti {kor f -te). A celebrated Italian anatomist, 1 729— 

 1813. C, Arch of. See Arch. C, Canal of. See 

 Canal. C, Cells of, the external hair-cells of the organ 

 ofCorti. See Cell. C, Fibers of, the rods of Corti. C, 

 Ganglion of. See Ganglia, Table oj \ C, Membrane 

 of. See Membrane. C, Organ of, a series of some 

 3000 arches upon the floor of the basilar membrane 

 rithin the ductus cochlearis of the internal ear. C, 

 Pillars of, the rods of Corti. C, Rods of, the pil- 

 lars of the arch of the organ of Corti. C, Rolls of, 

 the fibers forming the inner limb of the arches of 

 Corti. C, Tunnel of, a triangular canal between 

 the layers of the rods of Corti. 

 Cortical (kor / -tik-al) [cortex, bark]. Pertaining to 

 the cortex or bark, or to the cortex of the brain, or of 

 the kidney. C. Epilepsy, C. Paralysis, such as is 

 due to a lesion of the cortical substance of the 

 brain. 



orticiferous {kor-tis-if -er-us) [cortex, bark ; ferre, to 

 bear]. In biology, producing a bark, 

 orticin {kor'-tis-in) [cortex, bark]. I. An alkaloid 

 from poplar-bark. 2. A form of tannin from certain 

 wood-barks. 



orticole {kor* -tik-dl) [cortex, bark ; colere, to inhabit]. 

 In biology, growing on bark. 



ortina (kor-ti' -nah) [cortina,a. curtain]. In biology, 

 the marginal veil of certain fungi . 



Corviform (kor* -ve-form) [corvus, a crow.; forma, 

 shape]. In biology, resembling a crow. 



Corvisart's Facies. See Signs and Symptoms, Table of. 



Corybantism {kor-e-bant* -izm) [Kopv^avavria^oc, cory- 

 bantic frenzy]. Maniacal frenzy, with sleeplessness, 

 choreic excitement and visual hallucinations. 



Corydalin [kor-id' '-al-in) [Kopvda/Juc , the crested lark], 

 C, 8 H, 9 N0 4 . A precipitate from the tincture of the 

 root of Corydalis fortnosa ; it is tonic, diuretic, anti- 

 syphilitic, resolvent, etc. Dose 1 to 5 grains. Unof. 



Corydalis \kor-id' -al-is) [Kopvda/'/uQ, the crested lark]. 

 Turkey corn. The tuber of C.formosa(Dicentra can- 

 adensis), a tonic, diuretic, and alterative. Dose of fld. 

 ext. Tt^x-xl. Corydalin, the alkaloid. Dosegr. j-v. 

 Unof. 



Corymb (kor'-imb) [xapviiSoc, a head or cluster of fruit 

 or flowers]. In biology, a flower-cluster on the inde- 

 terminate plan, in which the axis is somewhat short- 

 ened and the pedicels of the lower flowers somewhat 

 lengthened, so as to form a flat-topped cluster. 



Corymbose {kor-im' -bos) [Kopvfi^og, a flower-cluster]. 

 In biology, corymb-like, or arranged in corymbs. C. 

 Eruption, a variety of the eruption of smallpox in 

 which it shows itself in patches or clusters the size of 

 the hand, as thickly set as possible, while the surround- 

 ing skin often remains entirely free. The grouping 

 may be symmetrically distributed. This variety of 

 small-pox is very dangerous. 



Coryphodont (kor-if'-o-dont) [Kopv&q, summit ; bSoix 

 (odavT-) tooth]. In biology, having teeth with pointed 

 cusps. 



Corysterium (kor-is-te' -re-um) [Kopvorfa, one having a 

 helmet]. In biology, an organ found in the abdomen 

 of certain female insects, that secretes a jelly-like pro- 

 tective envelop for the eggs. 



Coryza {ko-ri'-zah) [KOftv^a, a running at the nose]. 

 Catarrh of the mucous membrane of the nasal passages 

 and adjacent sinuses, popularly called a "cold in the 

 head." See Rhinitis. C. caseosa, a term applied by 

 Cozzolino to a disease in which the nostrils are filled 

 with caseous masses. C, Idiosyncratic. See Hay- 

 fever. C. maligna. Synonym of Snuffles of the New- 

 born. C, Periodic Vasomotor. See Hay-fever. 

 C, Vasomotor. Synonym of Hay-fever. 



Cosme's Paste. See Hebra's Arsenical Paste. 



Cosmesis {koz-me / -sis) (laxruieiv, to adorn]. The art 

 of preserving or increasing beauty. 



Cosmetic (koz-nut '-£!) [noofa/Tiicds ; Koo/iietv, to adorn]. 

 A remedy designed to improve or to hide defects of 

 the skin or other external parts. It may be a white 

 powder, such as starch, magnesic oxid, calcium car- 

 bonate (levigated), zinc oxid, mercurous chlorid, or 

 bismuth subnitrate applied externally; it may be a white 

 substance dissolved in dilute alcohol, which is left 

 upon the face after the evaporation of the solvent ; or 

 it may be a stimulant to the skin used internally, such 

 as arsenic. C. Operation, a surgical operation to 

 give a natural appearance to a defective or unsightly 

 part. 



Cosmetology {koz-met-oV '-o-j'e) [Kdafieroc, orderly; 

 '/oyoq, science]. The science of the proper care of 

 the body with respect to cleanliness, dress, etc. 



Cosmic Disease. Syphilis of the heart-valves. 



Cosmolin {koz'-mo-lin). See Petrolatum. 



Costa {kos'-tah) [L.]. A rib. See Rib. 



Costal {kos'-tal) [costa, a rib]. Pertaining to the ribs. 

 C. Arch, the arch of the ribs. C. Cartilages, the 

 12 cartilaginous extensions of the ribs. 



Costalgia (hos-ta/'-je-ah) [costa, a rib; a?.yoc, pain]. 

 Intercostal neuralgia ; pain in the ribs. 



Costen {kos / -ten) [costa, a rib]. Belonging to a rib in 

 itself. 



