CONCHININ 



188 



CONJUNCTIVITIS 



Conchinin {kon' -kin-in). See Quinidina (Illus. Diet.). 



Conchotome {kong* -ko~tdm) \_n6yx a > a shell ; to/lit/, a 

 cutting]. An instrument for the surgical removal of 

 the middle turbinated bone. 



Concrescence {kon-kres'-ens) [con, together; cresere, 

 to grow]. Held's term for the plunging of the termi- 

 nal of one neuron deep into the cell-body of another. 

 C. of Teeth, a growing together of the roots of two 

 teeth after complete development. 



Concretio {kon-kre'-she-o) [L. , pi. concretiones~\. See 

 Concretion (Illus. Diet.). Concretiones gelatini- 

 formes intestinales (Laboulbene). Synonym of 

 Mucous colitis. 



Concusconin [kon-kus* '-kon-in). See Chairamin. 



Conductibility {kon-dukt-e-bil' -e-te) [conducere, to con- 

 duct]. I. Capacity for being conducted. 2. Con- 

 ductivity; conducting power. C, Centrifugal, the 

 power of carrying centrifugal impulses from the nervous 

 centers to the periphery. C, Centripetal, the power 

 of conducting centripetal impulses from the periphery 

 to the nervous centers. 



Conductor. (See Illus. Diet.) 3. In physiology, any 

 part of the nervous system that transmits impulses. 

 4. A lithotomy staff. C, Sonorous, one of the striae 

 acusticte often seen running obliquely forward and to 

 the side. Syn., Bergmanu's stripe. 



Condurangin [kon-du-rang'-gin) [condurango, Peru- 

 vian name]. A mixture of glucosids from condurango 

 bark (Jlarsdenia reichenbachii), occurring as an amor- 

 phous yellow powder of an aromatic bitter taste, solu- 

 ble in water, alcohol, and chloroform. It is used as a 

 stomachic and astringent in gastric cancer and chronic 

 dyspepsia. Dose, j^—\ gr. 3 times daily. 



Condylectomy (kan-atl-ek* '-to-me) [/cowiuAoc, a knuckle ; 

 etcToui/, excision]. Excision of a condyle. 



Condylion (/ion-dil'-e-on) [n6i>fiv?j)g, a knuckle]. In 

 craniometry, the point at the lateral tip of the con- 

 dyle of the jaw. 



Condyloma. (See Illus. Diet.) C. acuminatum, the 

 pointed condyloma or wart of the genital organs, often 

 of nonsyphilitic origin. Syn., Acrotkymion; Acro- 

 thymiosis. C, Broad. See C. latum. C. eleva- 

 tum. See C. acuminatum. C. endocysticum, C. 

 endofolliculare, C. porcelaneum, C. subcutaneum. 

 See Molluscum contagiosum (Illus. Diet. ). C. latum, 

 the flat, broad, or moist syphilid or mucous patch. 

 Syn., Papula madidans. Cf. C. acuminatum. C, 

 Syphilitic, C. syphiliticum. See C. latum. C, 

 Thymic. See C. acuminatum. 



Condylosis (Jion-dil-o'-sis). The formation of a condy- 

 loma. 



Cone. (See Illus. Diet.) 2. The mechanical element 

 of the tooth crown. [Marsh.] C, Antipodal, in 

 mitosis the cone of astral rays opposite the spindle- 

 fibers. [Van Heneden.] C.-bipolars, bipolar cells 



• of the inner nuclear layer of the retina, connected with 

 the cones of the retina externally and ramifying inter- 

 nally in the middle of the molecular layer. C. -ele- 

 ment, a cell of the sensory or nerve epithelium of the 

 retina, consisting of a conical tapering external part, the 

 cone proper, prolonged into a nucleated enlargement 

 from the farther side of which the cone-fiber passes in- 

 ward to terminate by an expanded arborisation in the 

 outer molecular layer. [Raymond] C. -fiber, one 

 of the fibers of the retinal cones. C.-foot, one of the 

 bulbous processes of the cone-granules of the retina. 

 C. -granules, those of the outer nuclear layer of the 

 retina, connected with the cones of the ninth layer ex- 

 ternally, and internally by a thick process which be- 

 comes bulbous (the cone-foot); they terminate in fine 

 fibers in the outer molecular layer. [Raymond.] Cf. 

 Rod-granules. 



Conessi Bark (hon-es / -e). The bark of Wrightia 

 zeylauica, R. Br., and of Holarrhena a/'ricana, A. 

 De C. , apocynaceous shrubs or trees of India and 

 Africa. It is extensively used in India in dysentery 

 and as an antiperiodic. Syn., Tellicherry bark. 



Conessin (hon-es / -iu). See Wrightin. 



Confertus ikon-fur* -(us) \conj~crare, to press close to- 

 gether]. Pressed together, dense, crowded; applied 

 to cutaneous eruptions. 



Confinement. (See Illus. Diet.) 2. The enforced 

 isolation of one or more individuals to prevent the 

 spread of infectious disease ; detention. Cf. Quaran- 

 tine. 



Confocal {kon-fo'-kal). Having the same focus. 



Congee {koti'-je) [Chinese]. Rice gruel, an emollient 

 dish in use by the Chinese as an article of diet for the 

 sick. 



Congenerous [kon-jen* -ur-us) [congener, of the same 

 race]. Of the same genus. C. Muscles, muscles 

 producing one action. 



Congestion. (See Illus. Diet.) C, Pleuropul- 

 monary, C, Pulmonary, Potain's Type of, con- 

 gestion marked by symptoms similar to pleurisy. 



Congo Root. The root of Psoralen melilotoides, 

 Michaux, a leguminous herb of the United States. It 

 is an aromatic bitter tonic, recommended in chronic 

 diarrhea. 



Conhydrin. (See Illus. Diet.) C, Pseudo-, C 8 H n - 

 NO, white acicular crystals obtained from crude con iin ; 

 soluble in water, alcohol, benzene, ether, and chloro- 

 form ; melt at 98 C. and boil at 230°-232° C. 



Conicin (ionf-is-in). See Coniin. 



Coniin. (See Illus. Diet. ) C, Animal. See Cadaw 

 erin (Illus. Diet.). C. Hydrochlorate, C. Hydro- 

 chlorid, C. Muriate, C 8 H 17 NHC1, white, shining, 

 rhomboid crystals, soluble in water and alcohol. It is 

 used as coniin hydrobromate. 



Ccniism [ko-ne* '-izm\ [ic&veiov, hemlcck]. Poisoning 

 by Conium maculatutu, L. It begins with paralysis 

 of the legs, which extends to the arms and respiratory 

 muscles, leading to unconsciousness and death. 



Conimene {kon'-im-en). C 15 H 24 . A sesquicamphor 

 obtained from the distillation of conima resin from 

 Protium guianense, March. It is a very aromatic 

 liquid, boiling at 264 C. 



Coniosis. See A'oniosis. 



Conjugate. (See Illus. Diet.) 2. Roderer's name 

 for the anteroposterior diameter of the brim of the 

 pelvis ; the plane of the brim being regarded as an el- 

 lipse. C, Anatomic. See Conjugate (2). C, 

 Obstetric. See C, True (Illus. Diet). 



Conjunctivitis. (See Illus. Diet. ) Syn., Ophthalmia 

 externa; O. mucosa. C, Acute Contagious, due 

 to the presence of Bacterium agypticum, Chester. See 

 Pink-eye (Illus. Diet.). C, Blennorrhagic, C, 

 Blennorrhea!, C. blennorrhoica. See Ophthalmia 

 neonatorum (Illus. Diet.). C, Catarrhal. Sec 

 Ophthalmia (Illus. Diet.). C. catarrhalis aestiva. 

 See Vernal Conjunctivitis (Illus. Diet.). C, Follicu- 

 lar, C. folliculosis simplex. See Ophthalmia, Fol- 

 licular (Illus. Diet.). C, Gonorrheal, a severe pur- 

 ulent form due to infection by Micrococcus gonorr/iara. 

 C. granulosa. See Trachoma (Illus. Diet). C, 

 Hemorrhagic. See Pink-eye (Illus. Diet), and C, 

 Acute Contagious. C, Hypertrophic, C. hyper- 

 trophica, chronic catarrhal conjunctivitis attended 

 with enlargement of the conjunctival papillas. C, 

 Lacrimal, a form due to the presence ol irritating 

 secretion from the conducting part of the lacrimal ap- 

 paratus. C, Lithiasis, irritation of the conjunctiva 

 due to deposition of calcareous matter in the tissue o( 

 the palpebral conjunctiva. C, Palpebral, C. palpe- 



