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Cochineal (koch'-in-il, or koch-in-ll*) [ME., cut- 

 chaneal]. The dried insects of a species "t plant 

 lice, Coccus cacti, parasitic upon a cactus of Mexico 

 and Central America. It contains a rich red coloring 

 matter, carmin, used mainly as a dyeing agent. See 

 Pigments, Conspectus of. It is thought to he valuable 

 in infantile whooping-cough. Dose gr. y^. 



Cochlea {kok'-le-ah\ [/»<, \/<"\ a conch-shell]. A cav- 

 ity of the internal ear resembling a snail-shell. It 

 describes two and a half turns about a central pillar 

 called the modiolus or columnella, forming the spiral 

 canal, about I ' 2 inches in length. The latter is di- 

 vided into three canals or scake, — the scale tympaui, 

 vestibuli, and media. See also, I:ar. 2. In botany, 

 a coiled legume, like that of Medicago. 



Scala tympani. 

 lar canal. 



3. Anterior or triangu- 



Cochlea. 

 2. Scala vestibuli. 

 4. Posterior or quadrilateral canal. 5, 5. Spiral 

 ligament. 6. External spiral sulcus 7. Membrana tectoria, 

 or membrane of Corti. 8. Membrana basilaris. 9 Spiral 

 vessel, to. Limbus laminae spiralis. 11. Pillars of Organ 

 of Corti. 12. Branch of cochlear nerve. 13. Ganglion 

 spirale. 14 Branch of cochlear nerve between the lamellae 

 of the lamina spiralis ossea 15. One of the orifices by 

 which this branch penetrates the canal of Corti. 16. Part of 

 bony cochlea. 17. Lining periosteum. 18. Membrane of 

 Keissner. 



Cochlear {kok'-le-ar) [k6\7oc, a conch-shell]. Per- 

 taining or belonging to the cochlea. C. Nerve, the 

 nerve supplying the cochlea. See Nerves, Table of. 



Cochlear, or Cochleare ( kok'-le-ar, or kok-le-a'-re ) 

 [L. : pi., Cochlearia~\. A spoon; a spoonful. C. mag- 

 num, a tablespoon ; C. medium, a dessert-spoon ; 

 C. minimum, a teaspoon. 



Cochlearia [kok-le-ar'-e-ah). See Horseradish. 



Cochleate { kok' -le-at) \cochleatus, spiral]. Spirally 

 coiled, like a snail-shell. 



Cochlitis [kok-W '-lis) [hii)/oc, a conch-shell; trig, in- 

 flammation]. Inflammation of the cochlea. 



Cockroach ( kok'-roch). See Blatta. 



Coco (ko'-kd). Synonym of Yaws. See Framboesia. 



Coco, or Cocoa (ko' ko) [Port., cacao~\. See Cacao and 

 Theobroma. C.-nut, the nut of Cocos nucifera, a 

 palm-tree of tropical coast-regions. The oil is used 

 as a substitute for cod-liver oil, and in Germany it is 

 employed in pharmacy in the place of lard. C.-nut 

 Fiber, coir. The coarse fibrous covering of the nut 

 of the cocoa-palm is largely used in making brooms, 

 brushes, matting, and coarse carpeting. The fiber is 

 coarse, stiff, very elastic, round, and smooth like hair. 

 It also has great tenacity, and is well adapted for 

 cordage. C.-nut Oil, oleum cocois, is obtained from 

 the dried pulp of the cocoa-nut by expression. It is 

 an oil of the consistency of butter, fusing at from 73 to 

 8o° F. (22. 7 to 26. 6° C.). When fresh, it is white in 

 color and of sweet taste and agreeable odor, but it 



easily becomes rancid. It is easily saponified, even 

 in the cold. It is u>ed in the manufacture of candles 

 and Soap. 



Cocomania {ko-ko-ma' -ne-ah) . See Cocainomania . 



Cocomaniac {ko-ko-ma' '-ne-ak). Sec Cocainomaniac. 



Cocoolein [ko-ko-cZ-le-ih) [Port., cacao; oleum, oil]. 

 A proprietary substitute foi cod liwr oil, said to be 

 derived froi a nut oil. 



Cocotte [ko-kof) [Fr.]. Synonym of Influenza. 



Coction [kok'-shun) [coctio ; coquere, to cook], 1. 

 Digestion. 2. The preparatory alteration that morbific 

 matter undergoes in preparation for its discharge. 



Cod (kod ) [ME., cod]. 1. Thescrotum. 2. Thebelly. 

 3. In the plural, the testes. 4. The Gadus morrhua, 

 a lish furnishing a valuable medicinal product. C- 

 liver Oil, an oil derived from the liver of the Gadus 

 morrhua, and ranging in color according to the method 

 of its preparation from pale-straw to dark-brown ; its 

 -pecific gravity is. 923 to .924 or even .930 at 15 C. 

 The finer qualities are used for medicinal purposes, 

 the darker by tanners and curriers. See Morrhua. 



Codamin {ko / -dam-in) \k£>6zui, the head; poppy-head; 

 amin\, < ,„II 25 N0 4 . A crystalline alkaloid of opium, 

 isomeric with laudanin. When ferric chlorid is added 

 6 to it, it assumes a deep-green color. 



Codein (ko f -den) \jdt6eia, the poppy-head], C, 8 H 21 N< ' 

 1 1 ,< ). A white, crystalline alkaloid of opium. It is 

 :1G mildly calmative and is serviceable in diabetes mel- 

 litus. It is also valuable in ovarian pain. Dose gr. 

 ss-ij. C. Phosphate, soluble in water. Similar to 

 morphin in action, but less toxic. Dose, hypodermi- 

 callv. gr. ss. C. Sulphas, dose gr. ' () -' 4 . C. Valeri- 

 anate, an antispasmodic and sedative. Dose gr. '. . 



Codex (ki>'-deks) [L. : //., Codices']. A pharmacopeia 

 or book of formulae ; specifically, the French pharma- 

 copeia. 



Codie Pine Resin. See Cotvdie-gum. 



Codonostoma 1 ko-do-nos' -to-mah) [K<jrk>i',abell ; at 

 a mouth]. In biology, applied to the oral or disc 

 aperture of certain marine invertebrates, medusa;, etc. 



Ccelelminth {se'-lel-minth). See Celelminth. 



Ccelia (se'-lc-ah). See Celia. 



Cceliac (se'-le-ak). See Celiac. 



Cceliaca [se-li' '-ak-ah) . See Celiaca. 



Cceliadelphus (se-le-ad-el'-fus). See Celiadelphus. 



Cceliagra (se-le-a'-grah). See Celiagra. 



Ccelialgia [se-le-al'-je-ah). See Celialgia. 



Ccelian, Cceline (se'-le-an, se'-lin). See Celean, Celine. 



Cceliocyesis (se-le-o-si-e'-sis). See Celiocyesis. 



Cceliolymph (se'-le-o-limf). See Celiolymph. 



Cceliomyalgia (se-le-o-mi-aF -je-ali). See Celiomyalgia. 



Ccelioncus [se-leong'-kus). See Celioncus. 



Ccelioplegia (se-le-o-ple'-je-ah) [/cof/U'a, the belly; 

 t> /,;//, a stroke]. A synonym of Asiatic cholera. 



Cceliopyosis (se-le-o-pi-o'-sis). See Celiopyosis. 



Cceliorrhcea (sc-le-or-e'-ah). See Celiorrhca. 



Ccelioschisis (se-le-os'-kis-is). See Celioschisis. 



Ccelioscope (se'-le-o-s&op). See Celioscope. 



Caeliotomy (se-le-of ' -o-me). See Celiotomy. 



Ccelitis (se-li' -tis). See Celitis. 



Ccelodont (se'-lo-dont) \ko17.oc, hollow ; bdoig, tooth]. 

 Hollow-toothed, as certain lizards — the opposite of 

 Pleodont, or solid-toothed. 



Ccelom, Cceloma (se'-lom, se-lo'-mab). S "i. 



Ccelophlebitis (se-lo-tlc-bi'-tis). Si phlebitis. 



Ccelophthalmia (se-loff-thal'-me all). See Celophthal- 

 mia. 



Ccelosis (se-!o'-sis). See Celosis. 



Ccelosoma <se-lo-so / -mah). See Celosoma. 



Ccelosperm (se f -lo-sperm\ [/cotAoc, hollow; G-ep/ia, 

 seed]. In biology, a seed so curved as to form a con- 

 cavity on one of its surfaces. 



