DEEMETINIZE 



factured on the Dee River. It is said to be valuable 

 as a local application in eczema, etc. Unof. 



Deemetinize (de-em-ef -in-tz). To deprive ipecacuanha 

 of its emetic principle, emetin. 



Deep f..v."i [ME.,(/c'/t']. Not superficial ; not situated 



near the surface. See Profundus . D. Reflexes. See 



Table of. D. Water, water obtained from a 



porous substance beneath the first impervious stratum. 



Deer-berry (der'-ber-e). A popular name for Gaultheria 

 procumbens. 



Defatigatio (de-fat-ig-a'-she-o) [L.]. Over-fatigue; 

 overstrain, as of the heart-muscle. D. mentis, brain-fag. 



Defecation idefek-a' -shun) [defzcare, to separate from 

 the dregs]. The evacuation of the bowels, or dis- 

 charge of feces. 



Defect [defect'} [defectus, a failure]. A lack or fail- 

 ure ; absence of any part or organ ; absence or failure 

 of a normal function. 



Defemination (de-fem-in-a' -shun). See Eviration. 



Defensive Proteids. Hankin's name for those sub- 

 stances formed in the bodies of animals that render 

 them immune to certain diseases. See also Sozin, 

 Phylaxin, Mycosozin, Toxosozin, Mycophylaxin, Toxo- 



: phylaxin, Alexin. 



Deferent (def'-er-ent) [deferens, carrying away]. Car- 

 rying away or down ; efferent. See las. 



Deferentitis (def-er-en-ti' -tis) [deferens, carrying away ; 

 <rtc, inflammation]. Inflammation of a vas deferens. 



Defervescence (de-fer-ves' -ens) [defervescere, to cease 

 boiling]. A term applied to periods during the course 

 of fevers in which the temperature falls. 



Defibrillation (dt-fi-bril-a' -shun) [de, from ; fbrilla, 

 a small fiber] . The tearing of the brain-substance in 

 the direction of the least resistance, in order to make 

 cleavage-preparations. 



Defibrination (de-fi-brin-a' -shun) [de, from ; fibra, a 

 fiber]. The removal of fibrin from blood or lymph. 



Definition (defin-ish' '-un) [definitio ; definire, to bound 



'. by limits]. In optics, the power of an object-glass to 

 show clear outlines of area or structure, free from ab- 

 erration or distortion. 



Defixus (de-fiks'-us) [defigere, to fasten]. Impotent; 

 sexually powerless ; an old term based upon the idea 

 of a spell wrought by an enemy being the cause of 

 the condition indicated. 



eflagration (deflag-ra' '-shun) [deflagrare ; to be con- 

 sumed]. A sudden, violent combustion, such as 

 accompanies the oxidation of certain inorganic sub- 

 stances by mixing with an easily decomposing salt, 

 such as the alkaline chlorates and nitrates, 

 'eflex (de-fteks') [deflexus, to turn aside]. In biology, 

 to bend down. 



eflorate (de-flc/ -rat) [deHoratus, to deprive of flow- 

 ers]. In biology, said of a plant or anther that has 

 lost its pollen or flowers, or is past the flowering state, 

 efloration (deflo-ra' -shun) [de, from ; flora, a 

 flower]. On the part of the female the first sexual 

 connection effected by consent, not by rape. The loss 

 of those marks or features that indicate virginity, as 

 rupture of the hymen. 



efluvium capiliorum (de-flu' -ve-um kap-il-or* '-um). 

 Synonym of Alopecia simplex. 



ifluxion (deftuk'-shun) [defluxio ; de, down; fluere, 

 to flow], i. A catarrh ; a descent of the humors or 

 secretions. 2. A rapid falling, as of the hair or eye- 

 brows. 



:fcedatio unguium (de-fe-da' -she-o un'-gwe-um) [L., 

 •' fouling of the nails "]. Excessive thickness, with 

 foul appearance of the nails, which often become partly 

 , detached from the matrix. 



^foliate uie-fo' -le-at) [de priv.; folium, aleaf]. Tode- 

 stroy the leaves of a plant, or to cause them to drop off. 



357 DEGRADATION 



Deforestation (de-for-es-ta'-shun) [de, down ; foresta, 

 a forest]. The stripping of a country or district of 

 its forests, a process that has a direct influence upon 

 the public health for good or for evil. 



Deformation (de-for-ma' -shun) [deformere , to disfigure 

 or distort]. A process by which the body or any of 

 its parts acquires an abnormal shape. 



Deformity (de-form' -it-e) [deformitas, a deformity]. 

 Abnormal shape or structure of a body or any part. 

 D., Anterior. See Lordosis. 



Defunctionalization (de-funk-shun-al-iz-a'-shun). Fail- 

 ure or deprival of a function. 



Degasify {de-gaz'-if-i) [de priv. ; gas~\. To expel 

 from wood, coal-tar or other substance all moisture 

 and gaseous material, by means of the application of 

 heat. 



Degener's Test. See Tests, Table of. 



Degeneration (de-jen-er-a' -shun) [degenerare, to differ 

 from ancestors]. Deterioration, degradation, or retro- 

 gression of the molecular or cellular structure of a 

 tissue, organ, or cell, so that it can no longer maintain 

 its function ; passage from an anastate to a catastate, 

 or from one catastate to a lower one. Atrophy is a 

 form of degeneration. D., Amyloid or D., Albu- 

 minoid, now regarded as an infiltration from without, 

 and not as a degeneration of the proper cells and 

 fibers. See Albuminoid Disease. D., Ascending, 

 that which takes place in centripetal fibers after a de- 

 structive lesion of the spinal cord. D., Atheromatous. 

 See Endarteritis, Chronic. D., Black. Synonym of 

 Melanosis and of Anthracosis. D., Calcareous, the 

 deposition of insoluble compounds of calcium and 

 magnesium within the tissues. Caseation. See Casea- 

 tion. Cloudy Swelling. See Cloudy Swelling. D., 

 Colloid, akin to mucoid, the disorganized material 

 becoming of a structureless, semi-solid, jelly-like con- 

 sistence. D., Descending, that which takes place 

 in the centrifugal fibers of the cord after a destructive 

 lesion between the central cortex and the anterior 

 nerve-roots. D., Fatty, the conversion of the proteids 

 of a cell or fiber into oil. D., Fibroid, the substi- 

 tution of fibrous for a higher grade of tissue. D., 

 Glassy, the halo-granular change of the heart-muscle 

 seen in fevers. D., Gray, in nervous tissue a de- 

 generation due to chronic inflammation, and charac- 

 terized by the production of a gray color. D., 

 Hyaline, the disorganized tissue becomes shining 

 and translucent. D., Hydropsic, a form of de- 

 generation in which the degenerating cells imbibe 

 large quantities of water. D., Lardaceous. See 

 Albuminoid Disease. D., Mucoid, hyper-secretion 

 followed by disorganization of the mucus-cells. D., 

 Reaction of. See Reaction of Degeneration. D., 

 Senile, the widely disseminated degenerative changes, 

 largely fibroid in character, that mark old age. D., 

 System, degeneration of a system of fibers, in con- 

 tradistinction to insular or scattered degeneration. 

 D.,Waxy. Set. Albuminoid Disease. D., Zenker's. 

 Same as D., Glassy. 



Deglutable (deg-lut'-a-bl) [deglutitio, a swallowing ; 

 ME., able, capable]. Capable of swallowing, or of 

 being swallowed. 



Deglutitio impedita (de-glu-tish'-e-o im-pedi' -tah) . 

 Synonym of Dysphagia. 



Deglutition (deg-lu-tish'-un) [deglutitio, a swallowing] . 

 The act of swallowing. 



Degmus (deg'-mus) [6rp/fi6q, a sting; pain]. A 

 gnawing pain in the stomach. 



Degradation (deg-rad-a' -shun) [degradatio, a descent 

 by steps]. Gradual physiologic and histologic change 

 for the worse ; degeneration ; retrograde metamor- 

 phosis. 



