GLOSSARY. 



AB-DO'MEN (Latin abdo, to conceal). The largest cavity of the bouy 

 containing the liver, stomach, intestines, etc.; the belly. 



AB-SOR'BENTS (L. db and sorbeo, to suck up). The vessels which take 

 part in the process of absorption. 



AB-SORP'TION. The process of sucking up fluids by means of an 

 animal membrane. 



AC-COM-MO-DA'TION of the Eye. The alteration in the shape of the 

 crystalline lens, which accommodates or adjusts the eye for near 

 and remote vision. 



AC'ID, LACTIC (L. lac, milk). The acid ingredient of sour milk ; the 

 gastric juice also contains it. 



AL-BU'MEN, or Albumin (L. albus, white). An animal substance re- 

 sembling white of egg. 



AL-BU'MI-NOSE (from albumen). A soluble animal substance pro- 

 duced in the stomach by the digestion of the albuminoid sub- 

 stances. 



AL-BU'MIX-OID substances. A class of proximate principles resembling 

 albumen ; they may be derived from either the animal or vegetable 

 kingdoms. 



AL'I-MENT (L. alo, to nourish). That which affords nourishment ; 

 food. 



AL-I-MENT'A-BY CA-NAL (from aliment). A long tube in which the 

 food is digested, or prepared for reception into the system. 



AN-^ES-THET'ICS (Greek, ar, an, without, cdtiSijtita, aistliesia, feel 

 ing). Those medicinal agents which prevent the feeling of pain, 

 such as chloroform, laughing-gas, etc. 



AN-I-MAI/CULE (L. animal'culum, a small animal). Applied to an- 

 imals which can only be seen with the aid of the microscope. Ani- 

 malculum (plural, animalcula) is used with the same meaning. 



A-OR'TA (Gr. dopreotiai, aorteomai, to be lifted up). The largest 

 artery of the body, and main trunk of all the arteries. It arises from 

 the left ventricle of the heart. The name was first applied to the 

 two large branches of the trachea, which appear to be lifted up by 

 the heart. 



