14 MATER i A MEDIC A AND THERAPEUTICS. 



Mucilagines, Mucilages, are solutions of colloid 

 substances in water. 



Oleum, an Oil, is a solution in a fixed oil. Ex. : 

 Oleum Phosphoratum. 



Pilulse, Pills, are soft easily divisible masses, 

 variously composed of extracts or substances naturally 

 tenacious, with suitable " excipients," such as treacle, 

 confection of roses, or powdered liquorice. They are 

 almost all complex. The substances best adapted for 

 giving in pill form are such as are not conveniently 

 given in fluid form, or those intended to act slowly. 



Pulveres, Powders, are compounds of dry sub- 

 stances reduced to powder and intimately mixed. 



Spiritus, Spirits, are either simple or complex. 

 Simple spirits are solutions of colourless substances or 

 oils in rectified spirit, the latter of the strength of 1 

 in 50. Ex. : Spiritus Chloroformi, Spiritus Cajuputi. 

 Complex spirits are prepared in a special manner; 

 e.g. Spiritus ^theris Nitrosi. 



Succi, Juices, are the expressed juices of the fresh 

 plants, to which one-third of their volume of spirit 

 has been added to preserve them. Limonis Succus, 

 Rhamni Succus, and Mori Succus, are not preparations, 

 but natural products. 



Suppositoria, Suppositories, are solid conical 

 bodies, composed of active ingredients and various 

 mixtures of fats and wax, or starch and soap, adapted 

 for introduction into the rectum, where they are 

 intended to melt. 



Syrupi, Syrups, are fluid preparations containing 

 a large amount of sugar. 



Tinctures, Tinctures, are solutions in spirit, either 

 alone or combined with other solvents. They may be 

 grouped according to (1) the solvent, (2) the process, or 

 (3) the ingredients. 



1. Solvents. Rectified spirit is chiefly used when 

 the substances contain resin or volatile oil, as in cannabis 



