CRUST 



342 



CRYSTALLIZED 



system, due to interference with elimination, may 

 cause very serious disturbances. 

 Crust (krust) [crusta, a crust]. An irregular, dried 

 mass of exudation, or other effete products of dis- 

 ease of the skin. It varies much in appearance, accord- 

 ing to the condition that produces it. It may be 

 adherent or loose, thin and flat, or thick and craggy, 

 light-yellow or blackish in color. 

 Crusta (krus'-tah) [L., a crust]. The ectal portion 

 of the cms cerebri. C. lactea. See Achor. Also 

 synonym for Eczema. C. petrosa, a thin layer of 

 bone covering the fang of a tooth. C. phlogistica, 

 the yellowish layer of the upper stratum of a blood- 

 clot coagulating slowly. 

 Crustaceorubrin (krus-ta-she-o-ru' '-brin) [crustata, 

 shell-fish; ruber, red]. In biology a red coloring- 

 matter of crustaceans. 

 Crustaceous {krus-ta' '-she-us) [crusta, crust]. In 

 biology, having a thin, hard, brittle, crust-like shell 

 or coating. 

 Crusted (krus'-ted) \_crusta, a crust]. Having crusts 

 or scabs. C. Ringworm. Synonym of Favus. 

 C. Scall. Synonym of Impetigo. 

 Crusting (krus' -ting) [crusta, a crust]. The formation 



of crusts or scabs. 

 Crutch [kruch) [ME., crutche, a crutch]. A staff 

 reaching from the axilla to the ground, for the pur- 

 pose of aiding the progression of lame or crippled 

 persons. C. Paralysis, paralysis of an upper extrem- 

 ity due to the pressure of the crutch-head upon the 

 nerves of the axilla. 

 Cruveilhier's Atrophy. See Diseases, Table of. C. 

 Disease. See Diseases, Table of. C. Fascia, the 

 superficial layer of the perineal fascia. C. Plexus. 

 See Plexuses, Table of. C. Paralysis. Same as C. 

 Disease. 

 Cry (kri) [ME., crien, to cry]. The utterance of an 

 inarticulate vocal sound, or the sound so uttered; the 

 sound of the voice in lamentation. 

 Cryesthesia (kri-es-the'-ze-ah) [upvog, cold ; aladnaig, 



sensation]. Undue sensitiveness to cold. 

 Crypt (kript) [kp'vtttt/, concealed]. A small sac or 

 follicle. Crypts of Lieberkiihn, minute tubular de- 

 pressions of the mucous membrane of the small intes- 

 tine. 

 Crypta [krip'-tah) [kp'vttttj, concealed : pi. , CrypliF\. 



Same as Crypt. 

 Cryptic (krip'-tik) [npimtLKog, hidden]. In biology, a 

 term used in the study of mimicry, for such colors as 

 enable the animal to escape enemies, or to approach 

 its prey ; protective, procryptic ; aggressive, anticryp- 

 tic resemblances. Similar effects may be produced by 

 the use of foreign objects with which the animal covers 

 itself to a greater or lesser extent, allocryptic. (Poul- 

 ton.) 

 Cryptidin (krip' '-lid-in) [upv-rrdg, hidden], C n H n N. 

 An alkaloid formed by the dry distillation of quinin. 

 Cryptitis (krip-ti'-lis) [Kpvnnj, concealed ; trig, inflam- 

 mation]. Inflammation of a crypt, or of crypts. C, 

 Urethral, phlegmasia of the mucous follicles of the 

 urethra. 

 Cryptobranchiate (krip-to-brangk' -e-St) \_Kpvirr6g, hid- 

 den ; fipuyxia, gills]. In biology, having concealed 

 gills. 

 Cryptocephalus (krip-to-sef -al-us) [upvizrhg, hidden ; 

 KetyaXi], head]. A monster fetus with an imperfectly- 

 formed and concealed head. 

 Cryptodidymus (krip-lo-did' -im-us) [npimrdg , hidden ; 

 (h<)vuor, twin]. A teratism in which one fetus is con- 

 cealed within another. 

 Cryptodirous [krip-to-di'-rus) [aymrrDf, hidden ; Seipi/, 

 neck]. In biology, having a concealed neck. 



Cryptogam (krip'-to-gam) [Kpvivrug, hidden ; yd/jof, 

 marriage]. In biology, a general term applied to any 

 plant below Phanerogamia ; any flowerless plant is 

 called a cryptogam. 



Cryptogamia {krip-to-ga' -me-ah) [K.pvirror, hidden ; 

 ya.fj.ng, marriage]. A division of the vegetable king- 

 dom comprising all plants with concealed sexual 

 organs, without pistils or stamens. 



Cryptogamic [krip-to-gam' -ik). See Cryptogamous. 



Cryptogamous (krip-tog' '-am-us) [/cpwrrdc, concealed; 

 ya/j.og, marriage]. Belonging to the cryptogamia; 

 having the processes of the reproductive function ob- 

 scured or concealed. 



Cryptogenetic (krip-to-/en-et'-ik) [upvirrdg, concealed ; 

 yewatiD, to beget]. Same as Cryptogamous. 



Cryptolith (krip' '-to-litli) [upvirrr/, crypt; 7Mog, stone]. 

 A concretion or calculus formed within a crypt. 



Cryptophanic, or Kryptophanic Acid (krip-to-fan'-ik) 

 [lipvTTTog, concealed ; <paiveiv, to bring to light], C 10 

 H 18 N 2 O 10 . An acid said to occur in a free state in 

 urine, though regarded by Landwehr as an animal 

 gum. 



Cryptophthalmia (krip-toff-lkal' '-me-ah ). Same as 

 Cryptophthalmos. 



Cryptophthalmos [krip-toff-thal' -mos) [upv-rog, hid- 

 den; b<pda?,/[i6g, the eye]. I. Congenital union of 

 the eyelids, usually over imperfect eyes. 2. A person 

 who has congenital union of the eyelids. 



Cryptopia (k rip-to' -pe-ah). Same as Cryptopin. 



Cryptopin [krip / -to-pin) [/cpwrdc, hidden; 



opium], C. 21 H 23 N0 5 . One of the alkaloids of opium, 

 colorless and odorless. It is said to be anodyne and 

 hypnotic, but it is less safe than morphin. Dos 

 gr. Unof. 



Cryptopyic (krip-to-pi'-ik) [upvTrrdg , hidden ; ttvoi-, 

 pus]. Characterized by concealed suppuration. 



Cryptorchid, or Cryptorchis (krip-tor' -kid, 



[upv-Tog, hidden ; opxig, testicle]. A person with 

 retained testicles, i. e., not descended into the scrotum. 



Cryptorchidism (krip-tor' '-kid-izm) [upv-Tog, hi 

 opxig, testicle]. Retention of the testes in the abdom- 

 inal cavity. 



Cryptorchism {krip-tor' -kizm). See Cryptorchidism. 



Cryptoscope (krip'-to-skop) [upv-rur, hiuden ; o ■ 

 to inspect]. See Fluoroscope. 



Cryptozygous (krip-toz' -ig-us) [npimrdc. hidden ; 

 £vy6v, arch]. Having the dental arches or zygomata 

 concealed from view when the skull is viewed from 

 above. 



Crystal (kris'-tal) [Kpvara?2og, clear ice]. In chemis- 

 try, a substance that assumes a definite geometric 

 form. C, Charcot- Leyden. See Charcot- L, 

 C, Charcot's, minute colorless crystals found in the 

 sputa of asthmatic and bronchitic patients and ol 

 They are said to consist of tyrosin, or according t 

 some, of mucin. C, Violet. See Figments, Con 

 spectus of. 



Crystalli {kris-tal'-i). Synonym of Chicken 



Crystallin (kris'-tal-i/i) \_KpiarnAAog, clear ice]. Tin' 

 globulin of the crystalline lens. 



Crystalline {ktis'-tal-en or -in) {jcpvoraTilog , ervsta 

 Like a crystal. C. Lens. See Lens. C. Swelling. 

 See Setmmering. 



Crystallitis (kris-tal-i'-tis). See Phakitis. 



Crystallization (kris-tal-iz-a'-shuu) [^irirr. 

 The process by which the molecules of a 

 arrange themselves in geometric forms wh 

 from a gaseous or a liquid to a solid state. C, Water 

 of, the water of salts that cannot be extracted n 

 destruction of their crystalline nature. 



Crystallized (kris'-lal-lzd) [Kp'vciTal'kog, ice]. 1 

 into crystals. C. Green. Same as lodin <■■ 



