Assertion: cell membrane's system | /r/MadeOf | hydrophilic matrix
Facets:
Source sentences:
text: Osmotic systems consist of a hydrophilic matrix and a coated extended-release system, with polyethylene oxide polymers and inorganic salts or sugars as osmogens in the tablet core and cellulose acetate with polyethylene glycol (PEG) polymers as the semipermeable membrane coating.