VOCABULARY. 



Note. — The definitions, wliere not otherwise credited, are 

 from ''Diiuglison's Medical Dictionary." 



A. 



Ala (plural, alae). Projections from the median line ; as the 

 alee nasi, alae of the uterus, &c. 



Albumen. An important organic compound. The character- 

 istic ingredient in the white of egg ; abounds in the serum 

 of the blood, in chyle, lymph, skin, muscles, brain, and the 

 juice of flesli ; in small quantity in most vegetable juices, 

 and in Bright's disease in considerable quantity in the urine. 

 It is the foundation, says Liebig, of the whole series of pecu- 

 liar tissues which constitute those organs which are the 

 seat of all vital actions. C. F. Chandler. 



Alve'olar Arches are formed by the margins or borders of 

 the two jaws, which are hollowed by the alveoli. 



Alveolar Arteky, arises from the internal maxillary, de- 

 scends behind the tuberosity of the upper jaw, and gives 

 branches to the upper molar teeth, gums, periosteum, mem- 

 brane of the maxillary sinus, and buccinator muscle. 



Alveolar Border. The part of the jaws that is hollowed by 

 the alveoli. 



Alveolar Membranes are very fine membranes, situated be- 

 tween the teeth and alveoli, and formed by a portion of the 

 sac wliich incloses the tooth before it pierces the gum. By 

 some this membrane has been called the ' alveolo -dental 

 periosteum.' 



Alveolar Vein. This has a distribution similar to the artery. 



