COMBIXIXG-WEIGHT 



1-7 



COXCHIXAMIX 



currents can be used alternately or in combination in 

 electrotherapeutics. 



Combining -weight (kom-bi'-ning-wdt). The quantity 

 of an element which can enter into combination with 

 anv given element. 



Comestible (kom-est'-e-bl) \comedere, to eat up]. Edi- 

 ble. 



Comma-tract (kom'-ah-trakt). See under Tract. 



Commelina (kom-el-e'-na/'i) [Johann and Kasper Com- 

 imlyn, Dutch botanists]. A genus of plants of the 

 order Commelinacear, several species of which were 

 extensively used by the Aztecs in the treatment of fevers, 

 neoplasms, and hemorrhages. C. tuberosa, L. , Verba 

 del Poll.', a Mexican species, is valued by the natives 

 in the treatment of hematemesis, hemorrhoids, etc. 

 Dose, of aqueous extract, 1. 0-6.0 gm. dissolved in 

 1S0.0 c.c. of water; or in pills containing 0.06-0. 1 

 gm. ,24 to 48 of these to be taken in the course of a 

 day. Metrorrhagia is treated by injections of an aque- 

 ous decoction, I dram to 1 oz. in a pint of water. 



Commensalism (kem-en'-sal-izm). See Symbiosis 

 (Illus. Diet.). 



Commiphora (kom-if'-o-rah) [kouui, gum ; oipeiv, to 

 bear]. A genus of shrubs and trees of the order Bur- 

 seracete, found in Africa and the East Indies. C. 

 africanum, Endl., yields African bdellium. C. ag- 

 allocha, Engl., yields Indian bdellium. C. myrrha, 

 Engl., yields myrrh. C. opobalsamum, Engl., 

 yields balsam of Mecca or true balm of Gilead. 



Commissure, Commissura. (See Illus. Diet.) C. 

 anterior alba, C. ventralis alba. See C, Anterior 

 White (Illus. Diet). C. anterior cerebri. See 

 Precommissure (Illus. Diet.). C. anterior grisea, 

 C. grisea anterior, C. ventralis cinerea. the anterior 

 gray commissure. C. cinerea. C. grisea. See C, 

 Gray (Illus. Diet. ). C Gray. Anterior, nerve- 

 fibers in the gray columns of the cord, which, crossing 

 to the opposite side in front of the central canal, decus- 

 sate in two directions, part of the fibers entering into the 

 opposite cornu ventrale, part into the comu dorsale. C, 

 Gray, Posterior, that portion of the gray commissure 

 of the spinal cord lying dorsad to the central canal. 

 C, Gudden's Inferior, fibers of the optic tract which 

 come from the internal geniculate body and cross in the 

 posterior portion of the chiasma to the opposite tract. 

 C Habenular, C. habenarum. See Supracommis- 

 sure (Illus. Diet. ). C. hemisphaeriorum cerebelli, 

 the pons. C, Hippocampal. See Fornicommissure 

 (Illus. Diet. 1. C, Horseshoe. See C, Werne- 

 kinck' s. C, Inferior. See C, Gudderi ' s. C. magna 

 cerebelli, the superior peduncles of the cerebellum. 

 C. maxima. C. maxima cerebri, the callosum. C, 

 Meynert's, a tract of nerve-fibers crossing from the 

 tuber cinereum dorsally to the mesial half of the chiasm 

 to the opposite side ; it is probably connected with 

 Luys' body. C, Soft (of the brain). Same as C, 

 Middle Illus. Diet. j. C. ventralis alba. See t'. 

 rior White (Illus. Diet. I. C. Wernekinck's, the de- 

 cussating fibers of the middle cerebellar peduncle. Svn. . 

 C. , Horseshoe ; Decussiitio tegmenti caudicis cerebri. 



Commotio spinalis {kom-o'-slie-o spi-na'-lis). Rail- 

 way spine. 



Communicans. (See Illus. Diet.) 2. Alternating; 

 e. ,-., Febris communicans. C. willisii. See Artery, 

 Communicating, Posterior (Illus. Diet.). 



Compensation (kom-pen-sir'-shun) [compensare, to 

 compensate] . The state of counterbalancing a defect 

 of structure or function. 



Complaint (tow-plant') [complangere, to lament]. A 

 disease or ailment. C, Bowel, diarrhea. C. Sum- 

 mer, summer diarrhea. 

 Complement (kom' -ple-menf) [complere, to complete]. 



Ehrlich's term for one of the two substances of a hemo- 

 lytic serum. It resembles in its constitution and action 

 a toxin, and has a haptophore group which unites with 

 the immune body and a zymotoxic complex which acts 

 on the red blood-cells saturated with immune body, in 

 a manner partly toxic and partly fermentative. It can 

 act on the red blood-corpuscles only in the presence of 

 the immune or intermediary body. Syn., Alexin 

 (Bordet); Cytase (Metchnikoff); Addi merit (Ehrlich 

 and Morgenroth). 



Complementoid (kom-ple-ment'-oid). That substance 

 which results from the destruction of a complement 

 (a. v.); it can go to form an anticomplement. 



Complementophil (kom-i>le-ment' -o-fil). The hapto- 

 phore group of the intermediary body by means of 

 which it combines with the complement. 



Complementophilic (kom-ple-ment-o-fil'-ik). Showing 

 a special affinity for the complement 



Compound. (See Illus. Diet.) C, Addition, one 

 formed from two other substances by direct union. C 

 Binary, a substance composed of two elements or of 

 an element and a compound behaving as an element. 

 C, Endothermic, one absorbing heat in its forma- 

 tion. C, Exothermic, one in which there is no ele- 

 vation of temperature attending its formation. C., Ex- 

 plosive, an unstable organic product containing much 

 oxygen and readily decomposing. C, Quaternary, a 

 substance composed of four elements. C, Saturated, 

 a chemic compound in which the combining capaci- 

 ties of all the elements are satisfied. C, Substi- 

 tution, a compound formed from another body by re- 

 placement of one or more of its elements by another 

 body or bodies. C, Ternary, a compound composed 

 of three elements. 



Compress. (See Illus. Diet. ) C, Cribriform. See 

 C., Fenestrated (Illus. Diet.). C, Electrothermic, 

 an appliance devised by August Laquer ; it consists of 

 flat, elastic, flexible pillows and of thin wires isolated 

 by asbestos and covered with canvas. This, when 

 connected with a strong electric current, serves to sup- 

 ply a modified form of dry heat. [Hemmeter.] 



Compressed. ■ See Illus. Diet.) 2. Having the lateral 

 diameter reduced. C.-air Illness. See Caisson 

 Disease (Illus. Diet.). 



Compression. (See Illus. Diet.) C, Digital, com- 

 pression of an artery by the fingers. 



Conalbumin (kon-aJ'-bu-min). A proteid body ob- 

 tained by Osborne and Campbell from white of egg, 

 and is so designated "on account of its close relation 

 in properties and composition to ovalbumin." 

 C H X S O 

 52.25< 6.99* 16. n* 1.70* 22.95^ 

 Cf. Ovalbumin ; Ovomucin ; Ovomucoid. 



Concavoconvex (kon-ka-vo-kon'-veks). Having one 

 surface concave and the opposite surface convex ; con- 

 vexoconcave. 



Concentration. (See Illus. Diet.) 2. Afflux toward 

 a part 



Concha. (See Illus. Diet.) C. media, the middle 

 turbinated bone. C, Morgagni's, the superior turbi- 

 nated bone of the ethmoid. Conchae sphenoidales. 

 See Bones, Sphenoidal Turbinated (Illus. Diet.). 

 Conchae sphenoidales anteriores. See Cornua 

 sphenoidalia accessoria. C. superior, the superior 

 turbinated bone. Conchae turbinatae, the sphenoid 

 turbinated bones. 



Conchairamidin ikon-ki-ram'-id-in). C^H^XjO^. 

 An alkaloid from cinchona. 



Conchairamin (kon-ki-ram'-in^. C^H^S t O v An 

 alkaloid from cinchona. 



Conchinamin (kon-kin'-am-in). See Quinidamin 

 (Illus. Diet). 



