DENUDING 



362 



DERENCEPHALOCELE 



Denuding (den-u' '-ding) [denudare, to denude]. A 

 stripping or making bare. D. of the Teeth, an affec- 

 tion that consists in the gradual destruction of the 

 enamel of the anterior or labial surfaces of the inci- 

 sors, cuspidati, and sometimes of the bicuspids ; the 

 molars are rarely affected by it. 



Denutrition (de-nu-trish' '-un) [de, from ; nutriare, to 

 nourish]. The breaking down or atrophy of tissue 

 arising from lack of nutrition. The opposite of nutri- 

 tion. 



Deobstruent (de-ob' '-stru-ent) [de, from ; obstruere, to 

 obstruct]. A medicine that removes functional ob- 

 structions of the body. An aperient. 



Deodand (de'-o-dand) [dens, God; dare, to give]. A 

 fine formerly imposed on an inanimate thing or animal 

 that had caused the injury or violent death of a person. 



Deodorant (de-od* '-or-ant) [de priv. ; odorare, to smell]. 

 A substance that removes or corrects offensive odors. 



Deodorizer (de-o' -dor-i-zer) [de priv. ; odorare, to 

 smell]. A deodorizing agent ; a substance that de- 

 stroys offensive odors. 



Deontology (de-on-tol'-o-je) [tieov, right, binding ; Myoq, 

 science]. The science of duty. D., Medical, medi- 

 cal ethics. 



Deoppilant, or Deoppilative (de-op'-il-ant, or de-op- 

 pil'-at-iv) [de, from; oppilare, to stop]. I. Deob- 

 struent ; aperient. 2. An aperient medicine. 



Deorsum (de-or'-sum) [L.]. Downward. D.vergens. 

 See Vergens. 



Deossification (de-os-ifik-a' -sbim) [de, away; <«,bone; 

 facere, to do] . The absorption of bony material ; the 

 deprivation of any part of its bony character. 



Deoxidation (de-oks-id-a' -shun) \_de, from; oxidatus, 

 having oxygen]. In chemistry, the separation of an 

 element or compound from the oxygen held in com- 

 bination. Reduction. 



Deozonize (de-o'-zon-lz) [de, from ; o^eiv, to smell]. 

 To deprive of ozone. 



Depauperate (de-paw' -per-at) [de, intensive ; pauper, 

 poor]. I. To render poor; to pauperize; to im- 

 poverish. 2. Impoverished; ill-nourished; under- 

 fed, and under-grown. 



Depilation (dep-il-a' -shun) \_depilatio, removal of hair]. 

 The removal of hairs. 



Depilator (de-pilf -a-lor) [depilare, to remove the hair]. 

 An instrument for pulling out the hair. 



Depilatory (de-pil '-at-or-e) \_de, from; pilus, the hair]. 



1. Having the power to remove the hair. 2. A sub- 

 stance used to destroy the hair, usually a caustic al- 

 kali. 



Deplethoric (de-pleth 1 '-or-ik) [de priv ; irAr/dupy, ple- 

 thora]. Marked by absence of plethora. 



Depletion (de-ple' -shun) [deplere, to empty]. The 

 process of diminishing the quantity of any tissue or 

 fluid of the body, especially the blood. It may be 

 general or local, the former by venesection and purg- 

 ing, and the latter by leeching, cupping, or scarifica- 

 tion. 



Depletive, Depletory (de-ple' -tiv , de-ple' -tor-e) [deplere, 

 to empty]. I. Causing or tending toward depletion. 



2. A medicine that depletes. 



Deplumation (de-plu-ma'-shun) [de, down, off ; phtma, 

 feather]. The loss of the eyelashes. 



Depolarization (de-po-lar-is-a' -shun) . Destruction of 

 polarity. The neutralization of the opposite poles of 

 a magnet. The neutralization or recombination of 

 light- waves that have been separated by means of a 

 Nicol prism. 



Deposit (de-pos'-it) [de, from; ponere, to place]. A 

 gathering of particles that have been held in suspen- 

 sion. A gathering of morbid or normal matter in any 

 part of the body. See Urinary Deposit. 



Deposition (de-po-zish'-un). See Couching. 



Depositive (de-poz'-it-iv) [deponere, to lay aside" 

 Tending to or characterized by a morbid deposit! 

 exudative. 



Depravation (dep-rav-a 1 '-shun) [depravare, to vitiate 

 A deterioration or morbid change in the secretion j 

 tissues, or functions of the body. 



Depressant (de-pres'-ant) [deprimere, to press d 

 A medicine that retards or depresses the physiolog 

 action of an organ. A sedative. D., Cardiac, or; 

 that lowers the action of the heart. D., Cerebral 

 one that arrests the functions of the cerebrum. Di 

 Motor, one that lowers the activity of the spinal cot 

 and motor apparatus. 



Depressio (de-pres'-e-o) [L.]. A depressing. I 

 cataracts. Synonym of Couching. 



Depression (de-presh' -un) [depressio ; deprini 

 depress]. In anatomy, a hollow, or fossa. In.suj 

 gery, displacement inward of the skull, often givii I 

 rise to pressure on the brain. D. and Elevation 

 one of the Swedish movements, either excentric <| 

 concentric, in which, while the part is being raised il 

 depressed, resistance is made by the patient or operato 

 Depressions, Pacchionian. The depressions on tl j 

 internal surface of the parietal bone that lodge tl 

 Pacchionian bodies. 



Depressor (de-pres' -or) [deprimere, to depress], 

 name given to a muscle or an instrument that d j 

 presses. See Muscles, Table of. D. Fibers. & 

 Pressor. D. of Sims, an instrument for holding bail 

 the vaginal wall during exploration with the speculur 

 D., Tongue, an instrument for depressing the tongi| 

 in order to examine the throat. 



Deprimens (dep'-rim-enz) [L. ]. I. Depressing: 

 ing down. 2. A depressing muscle. D. auricula j 

 the retrahens auris muscle. D. oculi, the rectus ii| 

 ferior of the eye. . See Muscles, Table of. 



Depurant (dep' -u-rant) [depurare, to purify]. 

 Purifying; cleansing. 2. A medicine that purifij 

 the animal economy. 



Depurative (dep f -u-ra-tive), or Depuratory (de/ 

 tor-e) [depurare, to purify]. Purifying or cleansir. 

 D. Liver, same as Amyloid Liver. 



Depurator (dep'-u-ra-tor) [depurare, to purify]. 

 icine or device for promoting a depuratory process. 



DeR. A contraction and symbol of the term K, 

 of Degeneration, q. v. 



Deradelphus (der-ad-el 1 '-fus) [fepr], neck ; aim 

 brother]. A monocephalic dual monstrosity, wi 

 fusion of the bodies above the umbilicus, and wi 

 four lower extremities, and three or four upper. 



Deradenitis (der-aden-i'-tis) [depr/, neck ; .<■ 

 gland; trig, inflammation]. Inflammation of tl 

 glands of the neck. 



Deradenoncus (drr-ad-en-ong'-hus) [depy, neck ; hi 

 gland; dynog, mass]. A swelling of a gland of t'j 

 neck ; a swollen gland of the neck. 



Deranencephalia (der-an-en-sefa'-le-ah) [A 

 av priv. ; eyne^a'Aog, brain]. Teratism marked 

 absence of the head and brain, the neck being preset , 



Derangement (de-ranj'-ment). See Insanity. 



Derbyshire Neck (der'-be-shir nek). See Goiter. 



Dercum's Disease. Adiposis dolorosa. A duorfl* 

 characterized by irregular, sometimes symn 

 posits of tatty masses in various portions ot 

 preceded by, or attended with, pain. 



Derencephalia (der-en-sef-a' -le-ali) [tepi/, ni 

 n/.oc, brain]. The condition of being <!< 

 lous ; teratic absence of cranium, the vcsii. 

 brain being enclosed in the cervical vert 



Derencephalocele (der-en-sef'-al-o-sfl) [& 

 eyntyakos, brain; ni/At/, tumor]. A protrus 



