Glossary 341 



Con-sump 'tion (Lat. consumer?, to consume). A wasting disease like tuber- 

 culosis, especially pulmonary tuberculosis. 



Con-ta'gion (Lat. con, with, and tangere, to touch). The process by 

 which a specific disease is communicated from one person to another, 

 either by contact or by means of an intermediate agent. Also the 

 specific germ, or virus, which causes a communicable disease. 



Con'trac-til'i-ty (Lat. con, together, and trahere, to draw). The property 

 of a muscle which enables it to draw its extremities closer together. 



Con / vo-lu / tions (Lat. con, together, and volvcre, to roll). Tortuous fold- 

 ings, as those of the external surface of the brain. 



Co-or'di-na'tion. The manner in which several different organs of the 

 body are brought into such relations with one another that their func- 

 tions are performed in harmony. 



Cor'a-coid (Gr. /c6/m, a crow, elSos, form). Shaped like a crow's beak. 



Cor'ne-a (Lat. cornu, a horn). The transparent horn-like substance which 

 covers a part of the front of the eyeball. 



Cor'o-na-ry (Lat. corona, a crown). A term applied to vessels and nerves 

 which encircle a part or organ, as the coronary arteries of the heart. 



Cor'o-noid (Gr. nop&vt), a crow). Like a crow's beak; thus the coronoid 

 process of the ulna. 



Cri'coid (Gr. /cpkoj, a ring, and cTSos, form). A cartilage of the larynx 

 resembling a seal ring in shape. 



Crys'tal-line lens (Lat. crystallum, a crystal). One of the refractive media 

 of the eye ; a double-convex body situated in the front part of the eyeball. 



Cu / mu-la-tive. The action from drugs which supervenes after the taking 

 of several doses with little or no effect. 



Cu'ti-cle (Lat. dim. of cutis, the skin). Scarf skin ; the epidermis. 



Cu'tis (Gr. ffKvros, a skin, or hide). The true skin, also called the dermis. 



De-gen'er-a'tion (Lat. degenerare, to grow worse, to deteriorate). A morbid 



process in the structure of an organ by which its tissues are converted 



into some inert substance. 



Deglu-ti'tion (Lat. deglutirc, to swallow). The act of swallowing. 

 Den'tine (Lat. dens, dcntis, a tooth). The hard substance which forms the 



greater part of a tooth ; ivory. 

 De-o'dor-ant (Lat. de, without, and odorare, to smell). A substance which 



removes or conceals offensive odors. 

 Dex'trin (Lat. dexter, right). A soluble carbohydrate into which starch is 



converted by diastase or dilute acids or by dry heat. 

 Dex trose' (Lat. dexter, right). Grape sugar. 

 Di-as'to-le (Gr. Siao-rAXetv, to dilate). The relaxation of the heart. 



