COLLAFORM 



1-5 



COLOR 



Collaform {kol'-a-form). A formaldehyd-gelatin pre- 

 paration intended as a vulnerary. 



Collapse. (See Illus. Diet) C., Pulmonary. See 

 Atelectasis (Illus. Diet). 



Collar. (See Illus. Diet.) C, Biett'-s, a zone of len- 

 ticulopapular syphilids on the neck. 



Collargol, Collargolum < kol-ar'-gol, kol ar' -gol-uni). 

 See Silver, Colloidal. 



Collateral. (See Illus. Diet.) 2. One. of the first 

 branches of an axis-cylinder of a nerve-cell passing at 

 a right angle. 



Collemia, Collaemia(^/-^-»/^-aA) [k67jm, glue; aifta, 

 blood]. Haig's term for a condition of capillary ob- 

 struction which he attributes to a clogging of the cap- 

 illaries by urates or colloid deposits. 



Colletiin. Colletin (kol-ef-e-in, kol'-et-in) \Colletia, a 

 genus of tropic American shrubs]. A crystalline bit- 

 ter principle contained in Colletia spinosa, Lam., a 

 Brazilian shrub, the wood of which is purgative and is 

 used in jincture as a febrifuge. 



Colliculus. (See Illus. Diet.) Colliculi anteriores. 

 See Pregentinum (Illus. Diet.). C. bulbi, C. bulbi 

 intermedius. the layer of erectile tissue surrounding 

 the male urethra on its entrance into the bulb. C. 

 cervicalis, a fold of mucosa extending dorsad from the 

 apex of the trigonum vesicae. C. facialis, the eminen- 

 tia facialis. See under Eminence (Illus. Diet). C. 

 glandis, two eminences on the inferior surface of the 

 corona of the glans penis, between which the frenum 

 is attached. C. inferior. See Postgeminum (Illus. 

 Diet. ). Colliculi nervi ethmoidalis. the striatum. 

 Colliculi nervorum opticorum, the thalamus. Col- 

 liculi posteriores. See Postgeniculum (Illus. Diet. . 

 C. rotundus. See Eminence, Terete. C. rotundus 

 anterior, the anterior division of the terete eminence. 

 C. rotundus posterior, the posterior division of the 

 terete eminence. C. seminalis. See Verrumontanum 

 (Illus. Diet. i. C. superior. See Pregeminum (Illus. 

 Did 



Colligamen {kol-ig ' amen) [colligare, to bind]. I. A 

 ligament. 2. A name given to a variety of bandages, 

 prepared with glycerin and a glycerin-zinc paste. 



Collinic kol-in'-ik) [no'/va, glue]. Relating to or ob- 

 tained from gelatin. 



Collocated {kol-o-ka'-ted) [collocare, to place]. Cor- 

 responding with in respect to location; applied es- 

 pecially to parts of the brain that are adjacent, one 

 ectal and the other en tal ; e.g., the calcarine fissure and 

 the calcar. 



Collodion. (See Illus. Diet.) C, Acetone, one pre- 

 pared from guncotton, 5 parts; ether, IO parts; alco- 

 hol, 10 parts; acetone, 20 parts; castor oil, 6 parts. 

 It is more elastic than ordinary flexible collodion. C, 

 Cantharidal, a blistering solution of collodion and 

 cantharides. C, Flexible, collodion with the addition 

 of castor-oil and Canada balsam. C, Iodized, flexible 

 collodion with the addition of 5 ^ of iodin. It is used 

 in chilblains. C, Iodoform, flexible collodion with 

 5 >f iodoform. C, Styptic, a mixture of collodion 

 with tannic acid, ether, and alcohol, 

 alloidal (kol-oid'-al). See Colloid (3 and 4) (Illus. 

 Diet. ). 



illoidin (kol oid'-in) [no'/'/a, glue; eifar, likeness]. 

 C,H,jN0 6 . A jelly-like substance obtained from col- 

 loid tissue. 



illosin (kol'-o-sin) [no/j.a, glue]. A skin-varnish 

 made by the addition of camphor to a solution of nitro- 

 cellulose in acetone. 

 Jlloturine {kol-o'-tnr-en). An alkaloid isolated by 



from the bark of Symplocos racemosa. Roxb. 

 illoxylin \kol-oks' -il-in). See Pyroxylin (Illus. 

 Diet.). 



Coloboma. (See Illus. Diet ) C, Fuchs', a small 

 crescentic defect of the choroid at the lower border of 

 the optic disk. C. palpebrae, C. palpebrarum, a 

 form of partial ablepharia consisting in a fissure of the 

 eyelid — mostly the upper lid. Syn., Blepharocolo- 

 boma. 



Colocasia {kel-o-ka'-se-ah) \Ko7-onaoia, the water-lily]. 

 A genus of plants of the order Aracece, several species 

 and many varieties of which are cultivated throughout 

 the tropics for food. The corms of C. antiquorum, 

 Schott are the well-known taro of the Pacific Islands. 

 The freshly expressed juice of its petioles is highly 

 styptic and is said to even arrest arterial hemorrhage. 



Colocholecystostomy (ko-lo-kol-e-sis-tos / -to-me). See 

 ChoUcystocolotomy. 



Coloclyster {ko-lo-khY-ler) [ku!/.ov, colon ; K/.vcrijp, an 

 injection]. An enema in the colon. 



Colocolostomy (ko-lo-kol-os f -to-me). The operation of 

 forming a connection between two portions of the 

 colon. 



Colocynthidin [kol-o-sinth' -id-in). Same as Citrullin. 

 C, Amorphous, citrullin. 



Colocynthidism (kol-o-sintk' -id-ism) [no/jtuwdiq, colo- 

 cynth]. Poisoning from undue use of colocynth. A 

 condition marked by violent inflammation of the di- 

 gestive tract, watery and bloody stools, bilious vomit- 

 ing, cramps in the calves of the legs, and collapse. 



Colocynthin. (See Illus. Diet.) 2. A chocolate-col- 

 ored resinoid powder obtained by evaporation from an 

 alcoholic tincture of colocynth. It is used as a cathar- 

 tic. Dose, l 4~i gr. 



Colon, Dysentery of the Transverse (Lasegue). 

 Synonym of Mucous Colitis. 



Colonometer [kol-o-nonr'-et-ur) [colonia, colony; fier- 

 pov, a measure]. An apparatus for estimating the 

 number of colonies of bacteria on a culture-plate. 



Colonoscope {io-lon'-o-skop) [ku'/.ov, colon ; CKwrzeiv, to 

 view]. An instrument for examining the colon. 



Colonoscopy ( ko-lon-os'-ko-pe) . Examination by means 

 of a colonoscope. 



Colopexia, Colopexy {ko-lo-peks'-e-ah, ko-lo-peks'-e) 

 \ku>7ov, the colon; 5r^f/f, a fixing]. Suturing of the 

 sigmoid flexure to the abdominal wall. 



Coiopexotomy (ko-lo-peks-o? '-o-me) [n<j/or, the colon ; 

 - \ ■;, fixation ; reuveir, to cut]. An incision into and 

 a fixation of the colon. 



Colophane, Colophone {koF-o-fdn, -Jon) [Ko/.oo<ji-, a 

 city of Ionia]. I. Colophony. 2. The tree Lanar- 

 ium matiritianum , Blume, yielding a resinous juice 

 used in Mauritius as colophony. 



Colophene (kol' '-o-fen) [Ko/.op<ir, a city of Ionia]. 

 C^Hj,. A viscid empyreumatic oil obtained by the 

 distillation of rosin or from distilling oil of turpentine 

 with sulfuric acid. 



Colophonon (kol-of'-on-on). C a H H O r A distilla- 

 tion-product of pine resin. 



Coloptosis {ko-lo-lo / -sis) [k£>7.ov, the colon ; tttugyc, a 

 falling]. Descent or displacement of the colon. Cf. 

 Enteroptosis ; Splanchnoptosis. 



Color. (See Illus. Diet) C.s, Accidental. See C.s, 

 Complementary (Illus. Diet . C. -analysis, Ehrlich's 

 method of identifying the various forms of leukocytes. 

 It depends upon the distinctive manner in which the 

 protoplasmic granules react toward the acid, basic, and 

 so-called neutral solutions of the anilin dyes. Five 

 varieties of granules are recognized and designated by 

 the Greek letters, a, 3, y,6,e: ( 1) a-granules (eosin- 

 ophil, oxyphil, or coarse oxyphil granules); (2) 

 ^-granules (amphophil granules); (3) y-granules 

 (mast-cell or coarse basophil granules); (4) 6-gran- 

 ules (fine basophil granules ; (5) t-granules (neu- 

 trophil or fine oxyphil granule- . C Cold, those 



