476 PROTECTIVES 



ADEPS LANiE — WOOL FAT 



Wool fat is the purified wool fat of sheep freed from water. 



Preparation, Adeps Lanw Hydrosus — Hydrous wool fat. 



Hydrous wool fat or lanolin is prepared by triturating wool fat 

 with water. It should contain not less than 25 nor more than 30 

 per cent, of water. 



Wool fat is used as a base for ointments and has the advantage 

 of being miscible with twice its weight of water and is consequently 

 valuable when any aqueous preparation is used in ointment. 



OLEUM OLIV.flE — OLIVE OIL 



Olive oil is a fixed oil obtained from the ripe fruit of Olea euro- 

 poea. Olive oil is an emollient and protective externally. Internally 

 it is nutritive, demulcent and laxative. It is frequently prescribed 

 as a laxative for dogs and cats. Dogs, 2 drams to an ounce, cats 1 

 to 4 drams. 



OLEUM GOSSYPPII SEMENIS — COTTON SEED OIL 



This is a fixed oil expressed from the seed of the different species 

 of Gossypium. 



It is almost identical in action and uses to olive oil. 



OLEUM AMYGDALAE EXPRESSUM — EXPRESSED OIL OP 



ALMONDS 



This is a fixed oil obtained from the kernels of varieties of 

 Prunus amygdalus. It is emollient, protectant and nutrient but is 

 not often used in veterinary practice. 



PETROLATUM 



Synonyms. Vaseline, Cosmolene, Petroleum Jelly 



Petrolatum is a mixture of semisolid hydrocarbons obtained from 

 petroleum. It occurs as an unctuous mass varying in color from 

 yellowish to light amber. 



Preparation. Petrolatum Album — White Petrolatum. 



White petrolatum is petrolatum nearly decolorized. 



PETROLATUM LIQUIDUM — LIQUID PETROLATUM 



Liquid petrolatum is a mixture of liquid hydrocarbons obtained 

 from petroleum. The TJ. S. P. recognizes two varieties, heavy and 

 light. 



Petrolatum and petrolatiun album are only used as ointment bases. 



