Some sufferers from constipation find that they get greater relief from salts dissolved in water, or from natural aperient water taken on rising in the morning, and others again find that the best way of opening the bowels is to inject one or two drachms of glycerine into the rectum, or use it as a suppository.
It splits it into a fatty acid and glycerine, but seems to have no further action.
GLYCERIN, GLYCERINE or Glycerol (in pharmacy Glycerinum) (from Gr.
Thick, embedded in a liquid such as water, glycerine or Canada balsam, and covered with a plane glass plate of about o.
The immersion liquids in common use are water, glycerine, cedar-wood oil, monobromnaphthalene, &c. Immersion systems in which the embedding liquid, coverslip, immersion-liquid and front lens have equal refractive indices are called " homogeneous immersion systems."