This section is from the book "A Text-Book Of Materia Medica And Pharmacy For Medical Students", by Velyien Ewart Henderson. Also available from Amazon: A Text-Book of Materia Medica and Pharmacy for Medical Students.
The crude drugs are rarely suitable for administration to the patient and in consequence are prepared by the pharmacist in various ways before being dispensed. The methods by which they are prepared have been defined above, but the forms in which they are dispensed are known by various names descriptive of the form in which they are dispensed or of the methods and solvents by which they are prepared and which must be known by the physician. The less important terms are printed in italics.