CRIXATE 



196 



CROUP 



ring ; rpaxv^oc, neck ; roph, a cutting]. Tracheotomy 

 through the cricoid cartilage. 



Crinate, Crinated (hrin'-at, -a' -ted') [crinis, a hair]. 

 Bearded with long hairs or hair-like processes ; crinite. 



Criniform {krin'-e-form) \_crinis,& hair; forma, form]. 

 Filiform ; resembling horsehairs. 



Crinose {krin'-oz). Hairy. 



Crinosity ikrin-os'-it-e). Hairiness. 



Crisis. (See Illus. Diet.) 2. Paroxysmal disturbance 

 of function accompanied with pain. C, Bronchial, 

 a paroxysm of dyspnea sometimes occurring in tabes. 

 C, Cardiac, a paroxysm of cardiac distress or dis- 

 ordered action. C. -chamber, a term applied by 

 Mesmer to special apartments in which he treated such 

 of his patients as had a crisis as the result of his in- 

 fluence. Crises, Dietl's, paroxysms of gastric dis- 

 tress occurring in nephroptosis. C., Doctrine of, the 

 theory that the gradual climax of morbid phenomena 

 was announcement of the completion of the union of 

 morbific material — which could then be evacuated by 

 the sweat, urine, or stools, spontaneously or by the 

 administration of diuretics, purgatives, etc. C, En- 

 teralgic, a paroxysm of pain in the lower part of the 

 abdomen occurring in tabes. C, Fulgurant, C, 

 Fulgic, paroxysmal spasms coming on with extreme 

 suddenness. C, Hematic, C, Hemic, the crisis in 

 a fever marked by increase in the number of blood- 

 plates. C.i Nephralgic, C, Nephritic, a ureteral 

 paroxysm of pain observed in tabes. C, Rectal, 

 severe rectalgia in tabes dorsalis. C, Tabetic, 

 paroxysmal pain occurring in the course of tabes dor- 

 salis. 



Crispation {krisp-a'-shun) \crispare, to curl]. I. See 

 Crispatura. 2. A slight involuntary quivering of the 

 muscles. 



Crispatura {kris-pah-tu'-rah) [L.]. A puckering; a 

 contracture. C. tendinum, Dupuytren's contraction. 



Crista. (See Illus. Diet.) C. ampullaris. See C. 

 acustica (Illus. Diet.). C. basilaris. See Pharyn- 

 geal Tubercle (Illus. Diet. ). C. buccinatoria, a ridge 

 giving origin to the fibers of the buccinator muscle, 

 found in the groove on the anterior surface of the 

 coronoid process of the lower jaw. C. capituli, one 

 on the head of a rib dividing its articular surface into 

 two parts. C. colli inferior, one on the lower aspect 

 of the neck of a rib. C. colli superior, one on the 

 upper aspect of the neck of a rib. C. femoris. See 

 Ltnea aspera, in Lines, Table of (Illus. Diet.). C. 

 fenestrae rotundae, the sharp border of the fenestra 

 rotunda. C. frontalis externa. See Ridge, Tem- 

 poral (Illus. Diet.). C. frontalis interna. See Crest, 

 Frontal (Illus. Diet.). C. glutaeorum, the intertro- 

 chanteric lines. See Lines (Illus. Diet.). C. ilii, the 

 crest of the ilium. C. iliopectinea. See Line, llio- 

 pn/ineal (Illus. Diet.). C. interossea. See Ridge, 

 Interosseous (Illus. Diet.). Cristae superciliares. 

 See Ridge, Superciliary (Illus. Diet.). C. vesti- 

 buli, an almost vertical bony ridge on the inferior and 

 median walls of the vestibule of the ear separating the 

 fovea hemiepileptica from the recessus hemispharicus. 

 Syn., Pyramis vcstibuli. C. zygomatica. See Crest, 

 Zygomatic. 



Cristallin [kris* -tal-in). A kind of collodion, in which 

 the ether and alcohol employed as solvents for pyr- 

 oxylin are replaced by methyl alcohol. It does not dry 

 so readily as ordinary collodion. Syn., Crystal/in. 



Cristate (kris' -/fit). Crested. 



Critical. (See Illus. Diet.) Syn., Decretorius. C. 

 Period, Beard's term for the termination of that period 

 in the development of mammals in which the fetus 

 draws its supplies from the yolk-sac. The parts of the 

 embryo being all differentiated at the critical period, it 



may be discharged from the uterus, as in the marsu- 

 pials, but in the higher Mammalia, gestation is pro- 

 longed beyond the "critical period." C. Phase, 

 Beard's term for the first stage in the develop- 

 ment of the mammalian fetus, in which it draws 

 its supplies from the yolk-sac. C. Unit, that period of 

 time which, in any given species of metalherian or 

 eutherian mammal, represents the average duration of 

 development from the moment of fertilization until with 

 the critical period all the parts or foundations of the 

 embryo have come into existence. [Beard.] 



Croaking, Respiratory (in babies). A peculiar stridor 

 developing at birth, enduring. for one or two years, and 

 disappearing. Syn., Pharyngeal congenital spasm; 

 Laryngeal congenital stridor. 



Crocated (hrcS-ha-ted) \_Kponoc, crocus]. Containing 

 saffron. 



Croceous (kro'-se-us). Saffron -colored ; containing 

 saffron. 



Crocetin {kre/ -set-in) [updnoc, crocus]. C 34 H 46 9 . A 

 clear red powder obtained from crocin by decomposi- 

 tion with lime. It is soluble in alcohol and ether, and 

 insoluble in water. 



Crocidism, Crocidismus, Crocidixis (kro'-sid-izm, 

 -iz'-mus, -iks'-is). See Carphology (Illus. Diet.). 



Croconate {kro'-kon-dt). A salt of croconic acid. 



Croconic {kro-kon'-ik). Saffron-colored. 



Crocose (krcS-kdz). A dextrorotary sugar obtained from 

 crocin by decomposition. 



Crocoxanthin (kro-ko-zan f -thin). A yellow pigment 

 ' occurring in the petals of Crocus aureus, Sibth. 



Crocus. (See Illus. Diet.) 2. A genus of plants of 

 the order Iridetc. C.-iron. See Iron Oxid, Brown, 



Crocydocarcinoma (kro-sid-o-kar-sin-o'-tnah). See 

 Inocarcinoma (Illus. Diet.). 



Cross. (See Illus. Diet.) 2. A structure in which 

 parts cross each other. C. -education, E. W. Scrip- 

 ture's term for the curious results that appear in cer- 

 tain cases where exercise of an organ or limb develops 

 not only that particular organ or limb, but the cor- 

 responding one on the opposite side. C.-foot, pes 

 varus. C, Occipital. See Occipital Protuberance, 

 infernal (Illus. Diet.). 



Crossway, Charcot's Sensory. Carrefour sensitif; 

 the posterior third of the posterior limb of the internal 

 capsule. C, Motor, the motor decussation. 



Crotaphion [kro-taf -e-ori) [Aywrapoc, the temple of the 

 head]. A craniometrical point at the dorsal end of 

 the pterion. 



Crotaphitic (kro-taf-it'-ik) \Kp6ratyo$, the temple]. See 

 Temporal (Illus. Diet.). 



Crotin (kro'-tin). A mixture of toxic albuminoids con- 

 tained in croton seeds. It is a yellowish powder con- 

 taining about 21% of ashes, soluble in water and in a 

 IO% solution of sodium chlorid ; it is a protoplasmic 

 poison. 



Crotonate (kro / -ton-dt). A salt of crotonic acid. 



Crotonic {kro-ton'-ik). Belonging to or derived from 

 a plant belonging to the genus Croton; e.g., crotonic 

 acid. 



Crotonism (kro'-fon-izm). Poisoning by croton oil ; a 

 condition marked by hemorrhagic gastroenteritis, 



Crotonitril {kro-to-ni'-tril). C 4 H 5 N. A liquid with 

 a faint odor of garlic obtained from allyl iodid by the 

 action of potassium cyanid ; sp. gr. 0.8351 ; boils at 

 II9°C. 



Crotonylene (hro-loti / -i!-e>/). C 4 H„. A colorless 

 liquid found in a gaseous state in illuminating i;as. 



Crounotherapy {kru-no-ther f -ap-e) \tipovv6c, a spring; 

 therapy). Riesman's term for the employment of 

 mineral waters for drinking cures. 



Croup. (See Illus. Diet.) C, Artificial, traumatic 



