GLOSSARY 



555 



Co-ordination {Lat. con, together; ordinare, to 

 regulate), the harmonious activity and proper se- 

 quence of operations of the various organs of the 

 body. 



Copulation (Lat. copidare, to couple), the act of 

 sexual interc<»urse. 



Coracoid (Gr. korax, a crow, and ddos, likeness), 

 a beak-shaped process of the scapula. 



Cornea (Lat. comcus, horny), the transparent an- 

 terior portion of the eyeball. 



Comu (Lat. cornu^ a horn, pi. cornita), a name 

 a])plied to any excrescence resembling a horn. 



Coronet (Fr. coronctte, dim. of corone, a crown), the 

 second phalanx, or coronet bone. 



Corpora lutea {Lat. pi. of corpus, a body; hitctts, 

 yellow), the j'ellow spots seen in the ovary, due to 

 change in tlif blood clots of the Graafian follicle. 



Corpora nigra (Lat. pi. of coi-pus, a body; nigcr, 

 black), the masses of black pigment attached to the 

 inner border of the iris. 



Corpuscle (Lat. corpuscidum, dim, of corpus, a 

 body), any small round or oval body, as the minute 

 corpuscles of the blood. 



Cortical (Lat. cortex, bark), pertaining to the outer 

 or surface part of an organ. 



Cranium (Gr. kranion, the skull), the cavity that 

 contains the brain. 



Creatin (Gr. kreas, flesh), a neutral organic sub- 

 stance that occurs in the animal organism especially 

 in the juice of muscles. 



Crusta (Lat., a crust), a thin layer of bone covering 

 the fang of a tooth. 



Cryptorchid (Gr. Jcryptos, hidden, and orchis, tes- 

 ticle), a horse with one or both testicles which have 

 not descended. 



Cuboid (Gr. l-}/hos, a cube, and eidos, resemblance), 

 a bone of the hock joint. 



Cul-de-sac (Fr. cid, the bottom; de, of; sac, bag), 

 a passage closed at one end ; a closed bag or sac. 



Cuneiform (Lat. cnnciis, a wedge), having the form 

 of a wedge, said of a bone entering into the formation 

 of the knee joint. 



Cyst (Gr. k-ystis, a pouch), a cavity containing fluid 

 surrounded by a capsule. 



D 



Dartos (Gr. dartos, flayed), a contractile fibrous 

 layer beneath the skin of the scrotum. 



Defecation {Lat. drfecare — dc, from, fcex, dregs), 

 the separation of dregs or lees ; the discharge of 

 fieces. 



Deglutition (Lat. dcfjlutitlo, a swallowing), the act 

 of swallowing. 



Delirium (Lat. ddirium, madness), impaired action 

 of the brain, characterized by mental disorder, a stag- 

 gering gait, &c. 



Deltoid (Lat. delta, the Greek letter A, and cidos, 

 likeness), having the shape of a delta or a triangular 

 form. 



Dentine (Lat. dens, a tooth), the bony structure of 

 the tooth, lying under the enamel of the crown, and 

 the cementum of the root. 



Deodorizer (Lat. de, priv. ; odor, a smell), a sub- 

 stance tliat destroys offensive odours. 



Dermatology {(jr. derma, skin : loffos, discourse), 

 the science of the skin in health and disease. 



Desquamation {Lat. desquamare — de, from, squama, 

 a scale), the exfoliation or falling off of cuticle in 

 scales. 



Dextrin (Lat. dexter, right), the soluble matter into 

 which starch is converted by diastase or by certain 

 acids. 



Diagnosis (Gr. dia, through, and f/tiosis, knowledge), 

 the interpretation of a disease from its symjitoms. 



Diagnostician, one skilled in making diagnoses. 



Diapedesis (Gr. diapedesis, a jumping through), the- 

 passage of the cells of the blood, especially the white- 

 ones, through the walls of the vessels. 



Diaptiragm (Gr. diaphrafima, a partition wall), the 

 midriff, that is, the musculo -membranous partition 

 tliat separates the chest from the abdomen. 



Diaphysis (Gr. dia, between ; physis, growth), th& 

 middle part or shaft of a long bone. 



Diarthrodia, Diarthrosis (Gr. dia, throughout, and 

 arthrosis, articulation), a form of articulation or joint 

 allowing extensive movement. 



Diastema (Gr. diastema, a distance), a space or 

 cleft ; an interval between different kinds of teeth. 



Diathesis (Gr. diathesis~dia, through, and tifhcnai, 

 to arrange), a condition of tl)e body in which it is- 

 liable to certain disease. 



Dicrotic (Gr. di/ci-otos, double beating), having a- 

 double beat of the heart. 



Diphtheritic, relating to diphtheria. 



Diplococci (Gr. diploos, double, and k-ok:k'os, berry), 

 a micrococcus whose rounded bodies are found two 

 and two. 



Dipterous (Gr. dis, two, and pterou, a wing), two- 

 winged, as a fly or a seed. 



Discus proligerus (Gr. diskos, a disc ; Lat. proles^ 

 oflfspring ; fjcrcrc, ti> bear), the elevated cells of the 

 memlirana granulosa of the ovum. 



Disinfectant (Lat. dis, neg.; inficcrc^ to infect), 

 an ai^ent tliat destroys disease germs, and arrests 

 fermentation and putrefaction. 



Dlstoma (Gr. dis, double, and stoma, a mouth), a 

 genus of trematode parasitic worms; one of them, 

 the liver-fluke, is conmion in sheep. 



Diverticulum (Lat. divertere, to turn aside), a small 

 blind pouch or cul-de-sac, branching from some organ. 



Dyscrasia (Gr. dys, bad, and krasis, combination), 

 an abnormal state of the blood due to general disease. 



Dyspnoea (Gr. dys, ill, and pneo, to breathe), difficult 

 or laboured breathing arising from various causes. 



E 



Echinococcus (Gr. cchinos, a sea nrchin, and kokkos^ 

 a berry), same as Echinococcus veterinorum, a parasite 

 of the tape-worm kind affecting domestic animals. 



Ecraseur {Fr.), an instrument used in the amputa- 

 tion of parts. 



Ectoparasite (Gr. ektos, outside, and parasitos, a 

 parasite), a parasite that Uvea on the exterior of its 

 host. 



Ectropium (Gr. ek, out, and trepem, to turn), an 

 eversion or turning out of the eyelid. 



Efferent (Lat. cffcrens, carrj-ing from), applied to 

 those nerves which conduct impulses from the central 

 nervous system to some tissue ; applied to vessels 

 carrying fluid from some centre. 



Electuary (Lat. clectuarium, an electoary), a soft 

 or pasty confection containing some drug. 



Embolism (Gr. embolos, an embolus), obstruction of 

 an artery from a blood clot or embolus. 



Embryo (Gr. emhryon), the fertilized germ of an 

 animal. 



Emollient (Lat. emoHire, to soften), a substance 

 used to soften the skin, or to soothe an irritated 

 internal surface. 



Emphysema (Gr. emphysaein, to inflate), an abnor- 

 mal collection of air in the connective tissue of a part. 



Emulsion {Lat. emuffjeo, cmulsum, to milk out), 

 water or other liquid in which oil in minute sub- 

 division of its particles is suspended. 



