1 76 GLOSSARY 



C. 



Cal'lus, a hard and thick spot of epithelium upon the skin. It comes 



as a result of work, to protect the skin from injury. 

 Cap'il-la'ry, one of the fine tubes into which arteries pour the blood. 



They surround each cell and give out blood and air to it. 

 Car-bon'ic a'cid, a gas formed by burning and by oxidation in the 



body. It is given off in the breath. 

 Car'ti-lage, a substance which covers the ends of bones within joints. 



It is often called gristle. It is like bone without lime. 

 Cell, the smallest part of the body which can live when separated from 



the rest. The smallest unit of the body. A cell, when cut, dies. 

 Cer-e-bel'lum, the rounded part of the brain projecting backward from 



its under side. It assists in performing movements of balancing. 

 Cer'e-brum, the large upper part of the brain. It feels, thinks, and 



produces motion in the rest of the body. 

 Chloral (klo'ral}, a peppery-tasting, poisonous solid which produces 



sleep. 

 Cilia (siVi-a\ tiny waving hairs upon the surface of cells. They are 



found in the epithelial ceils lining the air tubes. 

 Cir-cu-la'tion, the flow of blood through the body. 

 Glav'i-cle, the collar bone. It extends from the middle of the front of 



the body to the shoulder. 



Co'ca-ine, a substance which benumbs feeling when applied to nerves. 

 Cold, a sickness caused by exposure to cold and dampness. This 



injures the cells and permits bacteria of disease to grow upon them 



and produce disease. 

 Con-nect'ive tis'sue, the fine fibers which bind the cells of the body in 



place. 



Cook'ing, the preparation of food for eating by the use of heat. 

 Cor'ne-a, the round, clear window in the front of the eye, which admits 



light to the inside. 

 Cor'pus-cle, a cell found in the blood. 



D. 



De-lir'i-um tre'mens, a mental trouble in which the mind seems to 

 see foul animals and reptiles. It is caused by strong drink. 



Der'ma, the true skin. It forms almost the entire thickness of the 

 skin, and contains its nerves and blood tubes. 



