438 GLOSSARY 



Cho'roid (Gr. chorion, skin, and eidos, form), the middle lining of the 

 eye. It carries the blood vessels for the nourishment of the inner 

 parts of the eye. 



Chyle (kile) (Gr. chulos, juice), the liquid produced by intestinal di- 

 gestion. 



Chyme (kime) (Gr. chumos, juice), the partly digested contents of 

 the stomach as they enter the intestine. The word is falling into 

 disuse. 



Cilia (sil'i-a) (Lat. cilia, eyelashes), microscopic hairs upon the surface 

 of certain cells. They are in constant motion to sweep out secre- 

 tions and dust. They line the trachea and bronchi. 



Clab'ber, or bonny-clabber (Irish baine, milk, and clabar, mud), sour 

 and curdled milk. 



Clav'i-cle (Lat. dams, a key), the slender bone which extends from the 

 breast bone to the shoulder. The collar bone. 



Co-ag-U-la'tion (Lat. con, together, and agere, to force), the process 

 of changing a liquid to a solid form of a different nature from the 

 original liquid. Thus in curdled milk coagulation has taken 

 place. 



Cocaine (kdca-iri), a bitter, white substance obtained from coca. It 

 benumbs pain when applied to the nerves and produces excitement 

 of the brain. 



Coccyx (kok 'six) (Gr. kokkux, a cuckoo), the small bone which forms 

 the lower end of the backbone. It is shaped somewhat like a 

 cuckoo's bill. 



Cochlea (kok'le-a) (Lat. cochlea, snail shell), the coiled canal of the 

 inner ear in which the nerves of hearing end. 



Cold, an unhealthy state of a part of the body caused by exposure to 

 coldness and dampness. It is an increased activity of the cells and 

 an increased blood supply due to nature's attempt to repair the 

 injury caused by the exposure. The injury is usually due to the 

 growth of disease germs. fc 



Colon (Gr. kolon), the large intestine. 



Con-ges'tion (Lat. con, together, and gerere, to bring), overfullness of 

 the blood tubes of a part of the body. It is the first stage of repair 

 of wounds and of inflammation, and is nature's way of supplying an 

 excess of nutrition to repair an injured spot. 



Con-junc-ti'va (Lat. conjunctions, joined together), the mucous mem' 

 brane lining the eyelids and covering the front of the eyeball. 



