COR 



101 



COR 



behind the tuber cinereum, and 

 between the crura cerebri : corpora 

 amylacea, dm'il-d'se'd (L. amyl- 

 dceus, belonging to starch from 

 amylum, starch), minute, mostly 

 microscopical, bodies, formerly 

 believed to consist of starch, but 

 of unknown chemical composi- 

 tion, found in various organs : c. 

 cavernosa, Icav'-er'noz'-a (L. cav- 

 ernosus, full of cavities ; cdvus, 

 hollow), the principal part of the 

 body of the penis, consisting of 

 two cylindrical bodies placed 

 side by side, closely united and 

 in part blended together : c. 

 geniculata, jgn-iMul-dtf-d (L. 

 geniculdtus, having knots from 

 geniculum, a little knot), two 

 little masses of grey matter, about 

 the size and shape of coffee beans, 

 placed on each side of the genu 

 of the optic tract of the cerebrum, 

 and named respectively the * ex- 

 ternum ' and * internum * : c. 

 quadrigemina, Icw6tf'rf>j%rnftn'd 

 (L. quddrigce, a set of four from 

 quatuor, four ; geminus, twin or 

 twin-born), four rounded emin- 

 ences separated by a crucial 

 depression, arid placed two on 

 each side of the middle line of the 

 cerebrum : c. striata, stri'dt'd 

 (L. stridta, a fluted shell), two 

 large ovoid masses of grey matter, 

 situated in front and to the 

 outer side of the optic thalami, 

 in the cerebrum. 



corpus callosum, Wrp'-us leal-lot' 

 um (L. corpus, a body ; callosus, 

 thick-skinned from callum, 

 hard thick skin), a thick layer 

 of medullary fibres passing 

 transversely between the two 

 hemispheres of the brain, and 

 forming their great commissure : 

 corpus dentatum, dent-dtf-um (L. 

 dentdtus, toothed, having teeth), 

 an open bag or capsule of grey 

 matter,. the section of which pre- 

 sents a dentated outline, in the 

 cerebellum ; also called 'ganglion 

 of the cerebellum': c. fimbriatum, 



fim'.bri'dt'.um (L, fimbridtus, 

 fibrous, fringed from jimbrice, 

 fibres, threads), a narrow, white, 

 tape-like band situated immedi- 

 ately behind the choroid plexus 

 in the cerebrum. 



corpuscle, n,, Jctirp-usk'-l (L, corp- 

 usculum, a little body from 

 corpus, a body), a small body ; 

 a particle : corpuscula tactus, 

 Icdrp-usTc'-ul-a tdkt'-us (L. corpusc- 

 ula, corpuscles ; tactus, , touch, 

 tactus, of touch), . the touch 

 bodies, or tactile corpuscles; min- 

 ute bodies having the appearance 

 of a miniature fir-cone, with great 

 tactile sensibility, found in the 

 skin of the hand and foot, and 

 some other parts : corpusculated, 

 a., k^rp-usK-ul'dt'-ed, applied to 

 fluids which, like the blood, con- 

 tain floating solid particles or 

 corpuscles. 



Correa, n., Wr-re'd (after Corrcea, 

 a Portuguese botanist), a genus 

 of shrubs, Orfl. Rutacese, re- 

 markable for their gamopetalous 

 corollas. 



corrosive, z,.,.lcor-roz'-w (L. con, 

 together; rosum, to gnaw), con- 

 suming ; wearing away : corrosive 

 sublimate, sub'-lim-at (L. sublim- 

 dtum, to lift up on high), a very 

 poisonous preparation of mercury; 

 the perchloride of mercury. 



corrugate,, a.,, kdr'.rdog-dt, and 

 corrugated, a., T&r'-rdog-dt'-ed 

 (L. corrugdtum, to make full of 

 wrinkles from con, together ; 

 ruga, a wrinkle), in bot. 9 

 crumpled; wrinkled. 



cortex, n., Tcort'-Zlcs (L. cortex, 

 bark, corticis, of bark), the bark 

 of trees: cortical, a., Jcdrt-zk-dl, 

 belonging to the bark : corticate, 

 a., Icdrt'-ilc'dt, covered with a 

 layer of bark ; resembling bark : 

 cortical layer, in zool., the layer 

 of sarcode enclosing the chyme 

 mass, and surrounded by the 

 cuticle, in the Infusoria : cortic- 

 olous, a., Mrt-ik'-dlUs (L. colo, 

 1 dwell, I abide), growing on 



