consenescence 



319 



CONTAGIOl - 



and alternating states of mental consciousness, in 

 either one of which the events that have occurred in 

 the other state are not remembered by the patient. 



Consenescence [kon-sen-es f ens) I oust «< teen , to grow 

 old]. The state or condition of growing old. 



Consensual [kon-sen' '-su-al) [consensus, agreement]. 

 Reflex and involving sensation, but not volition ; as a 

 consensual act or movement. 



Consent [kon-senP) \consentire, to agree]. In forensic 

 medicine, this term signifies willing participation in 

 unnatural or illegal intercourse. In pathology, a sym- 

 pathetic affection of a part distant from a diseased 

 part. 



Consentience {kon-sen' '-she-ens) [consenlire, to agree]. 

 Undeveloped or unintellectual consciousness ; the sum 

 or result of the impressions made by sensations upon 

 the psychic center of the organism. 



Conserva, or Conserve {kon-scr'--ah, or con-serv') 

 [conservare, to keep]. A confection, q. v. 



Conservancy \kon-ser , -van-se) \conservare, to keep]. 

 Public conservation of health or of things that make 

 for health ; the sum of hygienic or preservative legis- 

 lation. C. System. See Sewage, Disposal of. 



Conservative (kon-ser' '-vat-iv) [conservare, to keep]. 

 Aiming at the preservation and restoration of injured 

 parts ; as conservative surgery or dentistry. 



Conservator (kon' ' -ser-va-tor) [conservare, to preserve]. 

 A person appointed to look after the business interests 

 and general welfare of an insane person or idiot. 



Consolidant, Consolidating (kon-sol' -id-ant, or kon- 

 soP -id-a-ting) \consolidare , to make firm]. Tending 

 to heal or promoting the healing of wounds or frac- 

 tures ; favoring cicatrization. 



Consolidation (kon-sol-id-a' -shun) [consolidare, to 

 make firm]. The process of becoming firm or solid, 

 as a lung in pneumonia. 



Consonants (kon'-so-nants) \con, together ; sotia re, to 

 sound]. Non- vowel sounds in speaking produced at 

 certain parts of the resonance-chamber. They are 

 sounded only with a vowel. They consist of Explo- 

 sives, Aspirates, Vibratives, and Resonants ; they are 

 also divided into four classes, according to the situation 

 in which they are produced — the Articulation Posi- 

 tions, — the first being between the lips; the second 

 between the tongue and hard palate ; the third be- 

 tween the tongue and soft palate ; the fourth between 

 the vocal bands. Labials, made at the lips, may 

 be explosive (/>,/), aspirate (/, v, w), vibrative (the 

 " burr "), and resonant (w). These form the conso- 

 nants of the first articulation position. Those of the 

 second position are the explosives /and d\ the aspi- 

 rates s, z, sch, th ; the vibrative r; the resonant n. 

 Those of the third position are the explosives k and 

 g ; the aspirates are the unvoiced consonants, unvoiced 

 ch and/; the vibrative, palatal r; the resonant, pala- 

 tal ;/. That of the fourth position is the aspirate, the 

 glottis-formed k. 



Constant (kon' -slant) \constans, steady]. Fixed; not 

 changing. C. Battery, Element, or Cell. One 

 yielding a constant current. A galvanic battery, of 

 which the most common types are those of Bunsen, 

 Callaud, Daniell,Grenet, Grove, Leclanche, and Smee. 



Consternatio {kon-ster-na' -she-d) [!>•]• See Night- 

 Terrors. 



Constipation {kon-stip-al -shun) [constipare, to crush 

 tightly together]. Costiveness ; retention and hard- 

 ness of the feces from functional inactivity of the intes 

 tinal canal, or from abnormalism of the biliary or 

 other secretions. It may also be due to mechanical 

 obstruction of the intestinal canal, paresis of the intes- 

 tinal walls, the use of certain foods, and general de- 

 pression of vital activity. 



Constituent {kon-stif '-u-ent) \constituere, to establish], 

 A formative element or ingredient. The Constitu- 

 ents of the Organism are organic and inorganic. 

 The Inorganic C. are Water, forming 58.5 per 

 cent, of the body ; Gases, such as oxyg< a, marsh u r a>, 

 etc. ; Salts, of which the chief aVe sodium chlorid, 

 calcium phosphate 'forming more than one half of the 

 bonc^), sodium phosphate, sodium carbonate, sodium 

 and potassium sulphates, potassium chlorid, calcium 

 fluorid and carbonate; Free Acids, as hydrochloric, 

 sulphuric, etc. ; Bases, such as silicon, mangan 

 iron. The Organic C. comprise the large classi oi 

 the proteids, albuminoids, fats, etc. 



Constitution [kon- tit-it' -shun) [constituere, to dis- 

 pose]. In chemistry, the atomic or molecular com 

 position of a body. In pharmacy, the composition of 

 a substance. In physiology, the general temperament 

 and functional condition of the body. 



Constitutional [kon-stit-u' -skun-al) [constituere, to 

 dispose]. Pertaining to the state of the constitution. 

 C. Diseases, in pathology, such diseases as are inhe- 

 rent, owing to an abnormal structure of the body. 

 Also, inherited diseases. Also, a condition in which 

 the disease pervades the whole system. General, in 

 contradistinction to local. 



Constrictor {kon-strik / -tor\ [constringere, to bind to- 

 gether]. Any muscle that contracts or tightens any 

 part of the body. See Muscles, Table of. 



Constringent (kon-strin r -jent) [constringere, to con- 

 strict]. Same as Astringent, </. v.. 



Consultation [kon-sul-la f -skun) \_consnltare , to take 

 counsel]. A deliberation between two or more phy- 

 sicians concerning the diagnosis of the di.-ease of a 

 patient and the proper method of treatment. 



Consumption [kon-sump 1 '-shun) [consumere, to con- 

 sume or wear away]. Wasting, denutrition, or atrophy, 

 loosely used as a synonym of Tuberculosis, especially 

 pulmonary tuberculosis. Phthisis, q. v. C. of the 

 Bowels. See Diarrhea, Chronic Inflammatory. 



Consumptive [kon-sump f -tiv) [consumere, to consume 

 or wear away]. I. Of the nature of tuberculosis. 

 2. One afflicted with pulmonary tuberculosis. 



Contact [kon'-takt) [contactus, a touching]. A touch- 

 ing. C. Lenses, in optics, a glass shell the con- 

 cavity of which is in contact with the globe of the 

 eye, a layer of liquid being interposed between the 

 lens and the cornea. C. Series, a series of metals 

 arranged in such an order that each becomes positively 

 electrified by contact with the one that follow- it. 

 The contact-values of some metals, according to Ary 

 ton and Perry, are as follows: — 



DIFFERENCE OF POTENTIAL IN" VOLTS 



Zinc, Lead 210 Iron, Copper 146 



Lead, Tin .... 0.69 Copper, Platinum . .238 



Tin, Iron 3.15 Platinum, Carbon . .113 



C. Test, Heller's test. See Tests, Table of. 



Contactile, or Contactual (kon-tak r -til, or kon-lak'- 

 tn-al) [contactus, contact]. I. Tactile. 2. Due to 

 or spreading by actual contact. 



Contagion (kon-ta' '-jun) [contagio ; contingere, to 

 touch]. The process by which a specific disease is 

 communicated between persons, either by direct con- 

 tact or by means of an intermediate agent. (See, al.-o. 

 Infection.) Also the specific germ of virus from 

 which a communicable disease develops. C, Mental. 

 See Imitation. 



Contagionist (kon-ta f -jun-ist) [contagio; contingere, to 

 touch]. One who believes in the contagious < rigin 

 or transmission of any given disease. 



Contagious (kon-ta' -jus) [contagium, a touching]. 

 Communicable or transmissible by contagion, or 

 by a specific contagium. Infections — applied to a 



