CHORDITIS 



176 



CHORONOSOLOGIA 



transversa, C. transversalis, C. transversa cu- 

 biti, C. transversalis cubiti. See Ligament, Round 

 (of the forearm) (Illus. Diet.). C. venae umbili- 

 calis, the round ligament of the liver. C. venerea, 

 C. veneris, chordee. Chordae verticillatse, incon- 

 stant markings on the anterior part of the floor of the 

 fourth ventricle described by Bergmann. Chordae 

 volubililes. See Chord, e serpentina. 



Chorditis. (See Illus. Diet.) C. nodosa, inflamma- 

 tory growths occurring on the free edge of the vocal 

 cord at the junction of the anterior and middle third. 

 Syn., Singers' nodes. 



Chordoma (kor-do'-mah) [chorda, a cord]. Virchow's 

 name for the upper part of a persistent notochord. 



Chordoskeleton (kor-do-skel'-et-on). The portion of 

 the skeleton surrounding the notochord. 



Chordurethritis {kor-du-re-thri' -tis). See Chordee 

 (Illus. Diet.). 



Chorea. (See Illus. Diet.) Syn., C. anglorum; C. 

 Sancti Viti ; C. Sancti Viti minor; Mai de Saint- 

 Jean; St. John's dance. C, Antihemiplegic. 

 See C, Prehemiplegic. C, Bergeron- Henoch's. 

 Same as Bergeron's disease. C, Bilateral, that 

 due to cerebral lesions causing development of 

 choreic symptoms on both sides of the body. C, 

 Cardiac, a form marked by palpitation and other car- 

 diac disorders. C, Chronic Progressive, Hoff- 

 mann's name for C. , Huntington's (Illus. Diet.). C. 

 circumrotatoria. See C, Rotatory (Illus. Diet.). C. 

 Clonus. See Chorea (Illus. Diet.). C, Congeni- 

 tal. Synonym of Birth-palsy. C. cordis. See C, 

 Cardiac. C. -corpuscles (Elischer), peculiar cells 

 found in the brain in cases of chorea and regarded as 

 pathognomonic ; they have, however, been found in 

 the brain of those who have never had the disease. 

 C, Dancing, hysteric chorea marked by rhythmic 

 dancing movements. C.-demonomania, epidemic 

 chorea. C, Diaphragmatic, spasm of the dia- 

 phragm. C. dimidiata, hemichorea. C, English, 

 simple chorea. C, Essential, that occurring inde- 

 pendently and not as a symptom of some other disease. 

 C, Facial, convulsive tic. C, False. See C, 

 Symptomatic. C, General, a form of chorea in 

 which all or almost all of the voluntary muscles are 

 subject to irregular contractions. C, German. See 

 C. major (Illus. Diet.). C. gravidarum, intractable 

 chorea occurring during pregnancy ; toward its close 

 sometimes aggravated and attended with fever. C. 

 gravis, severe and dangerous cases of chorea. C, 

 Habit. See Habit Spasm (Illus. Diet.). C, Ham- 

 mering, a form marked by coordinated rhythmic 

 spasm in consequence of which persistent hammering 

 with the fist upon some object will be indulged in. C. 

 of the Heart. See C, Cardiac. C, Imaginative, 

 choromania. C, Imitative, choreic movements de- 

 veloped in children from association with choreic 

 subjects. C, Infantile. See C. minor (Illus. Diet.). 

 C. laryngea, C, Laryngeal, C. laryngis. I. A 

 condition attended with clonic spasm of the laryngeal 

 muscles and marked by inability to sustain coordinate 

 action. 2. A condition marked by spasmodic motions 

 of some of the muscles of expiration, causing a cry. 

 C.i Limp, West's name for a sequel of motor paraly- 

 sis in children marked by very slight choreic move- 

 ments. C. magna, C. magna Germanorum. See 

 C. major (Illus. Diet.). C, Metaparalytic, C, 

 Methemiplegic. See C, Postparalytic (Illus. Diet.). 

 C, Methodic. See C. major (Illus. Diet. ). C. 

 mollis (West). See Hemiplegia, Choreic. C, Mor- 

 van's, choree fibrillaire de Morvan. Fibrillary con- 

 tractions of the muscles of the calves and posterior 

 portion of the thighs, often extending to the trunk and 



upper extremities, but leaving the face and neck in- 

 tact. C. neuralgica, convulsive tic. C. nutans, 

 that attended with nodding motions. C. oculi, cho- 

 reic movements of the eyes due to cerebral lesions. C. 

 pandemica. See Disease, Dubinins (Illus. Diet.). 

 C, Paralytic (Gowers). See Hemiplegia, Choreic. 

 C, Partial, imperfect choreic movements associated 

 with contractures due to cerebral lesion. C, Pound- 

 ing. See C, Hammering. C, Prehemiplegic, C, 

 Prohemiplegic, choreic spasms of the hands or feet 

 forerunning hemiplegia. C. procursiva. Synonym 

 of Paralysis agitans. C, Reflex, that due to reflex 

 irritation of the motor centers from a peripheral or 

 visceral lesion or from some disordered condition. C. 

 saltatoria, C, Saltatory. See C, Dancing. C, 

 Salutatory. See C. nutans. C. Sancti Johannis, 

 C. Sancti Modesti, C. Sancti Valentini, C. Sancti 

 Viti, C. S. V. minor. See Chorea (Illus. Diet.). 

 C. Sancti Viti major. Synonym of Choromania. C. 

 scelotyrbe. See Paralysis agitans (Illus. Diet. ). C, 

 Secondary. See C, Symptomatic. C. semilater- 

 alis, hemichorea. C. senilis. I. Paralysis agitans. 2. 

 The trembling incident to age. C, Symptomatic, 

 that dependent upon some organic disease. C, Sys- 

 tematic, that marked by systematic movements. C, 

 Unilateral. See Hemichorea (Illus. Diet.). C, 

 Vibratory, chorea with vibratory movements. 



Choreal (kcS-re-al). Pertaining to chorea; choreic. 



Chorioepithelioma [ko-re-o-ep-e-the-le-o'-mah). See 

 Deciduoma (Illus. Diet. ). C. benignum, degenerated 

 relics of fetal epithelium or epiblast in its maternal 

 tissues. C. malignum, Marchand's (1895) name for 

 an epithelioma due to malignant degeneration of fetal 

 epiblast left in the maternal tissues. Syn., Deciduoma 

 malignum, Sanger (1888); Syncytioma malignum ; 

 Sarcoma deciduo-cellulare. 



Chorioidealtubercle ( ko-reoid-e-al-tu'-ber-kl ) \_x<iptor. 

 the chorion ; ridoc, likeness; tuberculum, a tubercle]. 

 A diagnostic sign of tuberculous meningitis found by 

 ophthalmoscopic investigation. 



Chorioma (ho-re-o'-u/ah) [x°P l0, '> fetal membrane] [pi., 

 choriomas, chorioma ta"\. A neoplasm developed from 

 the chorion. 



Chorionin {ko-re-on'-in). A name given by Broncha- 

 court (1902) to a preparation made from sheep's pla- 

 centa by submitting it to pressure without heat. The 

 juice thus expressed is made palatable with syrup after 

 being sterilized with ammonium fluorid; employed as 

 a galaetagog. 



Chorioretinitis (ho-re-o-ret-in-i'-tis). See Choroidoretin- 

 itis (Illus. Diet.). C. centralis. See Choroiditis, 

 Central (Illus. Diet.). C. disseminata circum- 

 scripta. See Choroiditis, Areolar. 



Choroid. (See Illus. Diet.) 2. Pertaining to the cho- 

 roid; choroidal. 



Choroiditis, Chorioiditis. (See Illus. Diet.) C, 

 Areolar, C. -areolaris, that in which the first foci 

 occur near the fovea and extend toward the periphery 

 in constantly increasing distances. C. disseminata 

 circumscripta. See C, Areolar. C, Embolic. See 

 C, Metastatic (Illus. Diet). C. guttata senilis. 

 See 'Par's Choroiditis (Illus. Diet.). 



Choroidocyclitis [ko-roid-o-si-kli'-tis) [,v"/"" r - ,nr 

 chorion; kI'kXoc, a circle]. Inflammation of the cho- 

 roid and of the ciliary body. 



Chorology (ho-rol'-o-jc) [im/wc, a place; /<«> 

 ence]. The science of the geographic distribution ol 

 animals and plants, Cf. Ecology, Zoogeography; 

 Phytogeography (Illus. Diet.). 



Choronosologia, Choronosology (ko-ro-no-sol-o'-je- 

 ah, ko-ro-no-sol' o-jc) [1 '•'/'", ■ region; rocroc, a dis- 

 ease; Myoq, science]. The science of the geographic 



