CHOREIFORM 



294 



CHROMATOPSEUDOPSIS 



Choreifolm (ko-re'-iform) [xopeia, dancing; forma, 

 form]. Resembling chorea. 



Choremania (ko-re-ma'-ne-ah) [xopeia, dancing ; fiavia, 

 madness]. Synonym of Choromania. 



Choreoid \ko-re'-oid) \_xopeia, dancing ; eldoc, like]. 

 Pertaining or similar to chorea. 



Choreomania {ko-re-o-ma' -ne-aJC) . See Choromania. 



Chorial (ko'-re-at) \_xopiov, skin]. Chorionic. 



Chorioblastosis (ko-re-o-blas-to' -sis) \_xopiov, skin ; 

 ji'AaaravEiv, to germinate]. Any anomaly of growth of 

 the corium and subcutaneous connective tissue. 



Chorio-capillaris (ko-re-o-kap-il-a' '-ris) \_xopiov, skin ; 

 capillus, a hair]. The network of capillaries over the 

 inner portion of the choroid coat of the eye. See 

 Ruysch, Membrane of. 



Choriocele (k</-re-o-sel, or ko-re-o-se' -le) [xopiov, a skin ; 

 KTjlij, hernia]. A hernial protrusion of the choroid 

 coat of the eye. 



Chorioid (ko'-re-oid). See Choroid. 



Chorioidal (ko-re-oid'-al). See Choroid. 



Chorioideremia (ko-re-oid-er-e' -me-ah). See Choroi- 

 deremia. 



Chorioidiritis (ko-re-oid-i-ri'-tis). See Choroido-irith. 



Chorioiditis (ko-re-oid-i'-tis). See Choroiditis. 



Chorioido-retinitis (ko-re-oid' '-o-ret-in-i' '-tis). See 

 Choroido-retinitis. 



Chorion (ko'-re-on) [jopwv, f eta ^ membrane]. The 

 outermost of the fetal membranes, formed from the 

 external layer of the non-germinal epiblast. The 

 chorion lies between the amnion and the deciduae 

 (reflexa and vera). C. , Cystic Degeneration of, a 

 rare myxomatous disease of the chorion, producing the 

 so-called " hydatid mole.' 1 ' 1 It is characterized by 

 rapid increase in the size of the uterus, hemorrhage, 

 often profuse, beginning during the second month of 

 pregnancy, and the discharge of small cysts, whitish in 

 appearance, surrounded by bloody clots. These cysts 

 vary in size from a pin's-head to a filbert. C. leve, 

 the smooth or non-villous portion of the chorion. C, 

 Primitive, the Vitelline membrane (or Zonapellucida) 

 during the time of the development of the hollow, 

 structureless villi upon its surface. C, Shaggy, or C. 

 frondosum, the part covered by villi. 



Chorionic (ko-re-on' '-ik) [xbpiov, the chorion]. Relat- 

 ing to the chorion. 



Chorionitis (ko-re-oh-i'-tis). See Scleroderma. 



Choripetalous (kor-ip-ef -al-us) \_xupiq, asunder ; 

 fyvTCMw, leaf]. In biology, applied to a corolla whose 

 petals are distinct. 



Chorisis (ko-ri'-sis) [x&P tcn C> a separation]. In biology, 

 the development of two or more members when but 

 one is expected ; a doubling. 



Choroid (ko'-roid) [jdpov, the chorion ; eldog, like- 

 ness]. The second or vascular tunic of the eye, con- 

 tinuous with the iris in front and lying between the 

 sclerotic and the retina. C. Plexus, a vascular plexus 

 in the lateral ventricles of the brain. C. Sulcus (of 

 Schwalbe). See Schwalbe, Fissure of. C. Vein. 

 See Vein. 



Choroidal (ko-roid'-al). Pertaining to the choroid. 



Choroideremia (ko-roid-er-e' '-me-ah) [|(iprav, the cho- 

 rion ; eMoc, like; kprjft'ia, desolation]. Absence 

 of the choroid; absence of the epithelium of the 

 choroid. 



Choroiditis (ko-roid-i'-tis) [xbp'°v, the chorion ; itic, 

 inflammation]. Inflammation of the choroid coat of 

 the eye. It may be anterior, the foci of exudation 

 being at the periphery of the choroid ; or central, 

 the exudate being in the region of the macula lutea ; 

 diffuse or disseminated, characterized by numerous 

 round or irregular spots scattered over the fundus ; 

 exudative or non- suppurative , when there are isolated 



foci of inflammation scattered over the choroid; 

 metastatic , when due to embolism ; and suppurative, 

 when proceeding to suppuration. C. serosa. Syno- 

 nym of Glaucoma. 



Choroido- iritis (ko-roid* -o-i-ri' -tis)\_x6piov , the chorion; 

 e\6og, like; Ipic, the rainbow; itic, inflammation]. 

 Inflammation of the choroid and the iris. 



Choroido-retinitis (ko-roid' '-o-ret-in-i' '-tis) [nbpurv, the 

 chorion ; elfioq, like ; retina, the retina ; itic, inflam- 

 mation]. Choroiditis with retinitis. C.-r., Ametro- 

 pic, caused by ametropia. 



Choromania (ko-ro-ma' -ne-ah) [jopdc, a dance ; fiavia, 

 madness]. A nervous disorder manifest at various 

 times and places, and characterized by dancing or 

 other rhythmic movements ; epidemic chorea ; dan- 

 cing mania. 



Chrchtschonovitsch's Method. A method of stain- 

 ing tissues. See Stains, Table of. 



Christian Science (kr/V-chan si' -ens), An alleged 

 system of therapy ; faith-cure, or one form or it. 



Christison's Formula. A formula for estimating the 

 amount of solids in the urine : Multiply the las 

 figures of the specific gravity expressed in four figures 

 by 2.33 (or by 2, Trapp ; or by 2.2, L&bisch). This 

 gives the amount of solids in every 1000 parts. 



Chromate (kro' -mat) [jpcj/za, color]. Any salt of 

 chromic acid. 



Chromatic (kro-maf -ik) \_xpuiia, color]. Relating to 

 or possessing color. C. Audition, luminous sensations 

 aroused by sound. See Photism. C. Gustation. 

 See Gustation. 



Chromatin (kro' '-mat-in) [xpufia, color]. The chro- 

 matophilous, or tingible portion of the protoplasm, 

 forming a delicate reticular network or plexus of 

 fibrils permeating the achromatin of a typical cell in 

 process of division. It is called also Karyomiton. 

 See Cell-body. 



Chromation (kro-ma'-shun) [jpiJ,ua, color] . The pro- 

 cess of tingeing or staining. 



Chromatism (kro' -mat-izm) [jpo/mncr^o'c, coloring]. 

 I. Abnormal coloration of any tissue. 2. Chromatic 

 aberration. 



Chromatoblast (kro-maf -o-blast) [^puua, color; 

 j3?.actT6c, a germ]. Same as Chromatophore. 



Chromatodysopia {kro- mat-o-d/s -o'-pe-ah) [ xp" ua > 

 color; 6va, ill; dtjiig, vision]. Color-blindness. 



Chromatogenous (kro-mat-oj' -en-us) \_xpufia, color; 

 yevvdeiv, to beget]. Producing color. 



Chromatology (kro-tnat-ol' '-o-je) [xpuita, color ; 

 science]. The science of colors. Also the spectro- 

 scopic investigation of colors. 



Chromatopathia (kro-mat-o-path' -e-ah) [_xp<~>«a, color; 

 izadoc, disease]. Any pigmentary skin-disea 

 chromatosis. 



Chromatopathy {kro-matop'-a-the). See Chr 

 pathia. 



Chromatophile (kro-maf -o-fil). Same as 

 philous. 



Chromatophobia (kro-maf-o-fo' '-be-ali) [xP&! ia > ( "°' or ' 

 66jiog, dread]. Abnormal fear of colors. 



Chromatophore (kro' -mat o-for) [rpw/m, color : 

 bearing]. In biology, (1) one of the contractil 

 ment-sacs, abundant in the skin of many animal-, 

 squid, chameleon ; (2) one of the pigmented marginal 

 sense-organs of an Actinozoan ; " bourse calicin 

 (3) a plastid containing chlorophyl, or othi 

 matter; color-granule, chromoplast, chromoleucite. 



Chromatophorous (kro-mat-off'-or-us) [t, 



<j>ipeiv, to bear]. Containing pigment or pigment- 

 cells. 



Chromatopseudopsis (kro-mat-o-su-dof '-sis) [ \ 

 color; rjJEVth'/g, false ; otjuc, sight]. Color blind" 



