GLOSSARY 



Ab-do'men (Lat.) : the cavity of the body lying below the diaphragm 

 and containing most of the digestive organs. 



Ab-du'cens (Lat., leading away): the sixth pair of cranial nerves. 



Ab-sorb'ents (Lat. absorbere, to suck in) : the vessels which take up 

 nutriment or waste matter. 



Ab-sorp'tion : the process of taking up food from the alimentary canal 

 or other substances from the tissues. 



Ac-cel'er-a-tor (Lat. accelerare, to hasten) : that which quickens, as an 

 accelerator nerve. 



Ac-com-mo-da'tion of the eye (Lat. accommodare, to fit) : the adjust- 

 ment of the shape of the crystalline lens for distinct vision at dif- 

 ferent distances. 



Ac'id (Lat. acidus, sour) : one of a class of chemical compounds usu- 

 ally sour to the taste, always soluble in water, capable of turning- 

 vegetable blue to red and of destroying the distinctive properties 

 of alkalis or bases. Acids combine with bases to form salts, and 

 then lose their own distinctive properties. 



Ac-tin'ic energy (Gr. aktis, aktinos, ray) : that form of force in light 

 which produces chemical changes. 



Ad'i-pose (Lat. adeps, fat) : that form of tissue which forms or con- 

 tains fat. 



Affer-ent (Lat. ajferre, from ad, to, and ferre, to bear) : conducting 

 inward or toward a center ; opposed to efferent. 



Al-bu'men (Lat. albus, white): white of egg. 



Al-bu'min (Lat. albus, white) : a substance composed of carbon, ni- 

 trogen, hydrogen, and oxygen, found in animals and plants, and 

 an essential part of every living cell. It is found in its purest 

 natural form in the white of an egg. 



Al-bu'mi-noid : one of the foods containing nitrogen ; a proteid. 



Al'co-hol (Arabic al-kohl, fine powder of antimony, used in the East 

 to paint the eyebrows with) : the spirit.nous or intoxicating ele- 

 ment of fermented or distilled liquors ; or, in popular speech, any 

 liquid containing it in a considerable quantity. 



