They are a result of phagocytosis â the process by which A. proteus engulfs its prey. A food vacuole is basically a storage unit of food for the amoeba and is formed only when the amoeba has engulfed its prey completely â then digestive enzymes are released into the vacuole.
The dried root and rhizome are the source of the medicinally useful products. Ipecac has been widely used in syrup form as a potent and effective emetic. Ipecac powder had been used to induce sweating at the onset of influenza, and small amounts of the extract have been incorporated into cough syrups as expectorants.
The combination cold and cough medicine may contain an antihistamine, a decongestant, and a pain reliever in addition to the cough suppressant and/or expectorant. The combination of medicines may give optimal relief if you have multiple cold symptoms, such as sore throat, cough, and congestion.n expectorant is a medicine that thins mucus so you can cough it up more easily. The ingredients you will typically see in cough expectorant are guaiphenesin, ammonium chloride, squill, sodium citrate and ipecacuanha.