Why We Vomit. In many cases, throwing up is a protective reflex to rid your body of viruses, bacteria, or parasites in your digestive system. âIf you were to eat something that was spoiled or poisoned, your body would get a signal that something was wrong,â says Bruno Chumpitazi, MD, of Texas Childrenâs Hospital.
Parafilm is ideal for the scientific laboratory because it is a thermoplastic, self-sealing film. It holds moisture loss to a minimum. It offers excellent protection for the contents of tubes, flasks, and petri dishes.
biofilm. A thin coating containing biologically active agents, which coats the surface of structures such as teeth or the inner surfaces of catheter, tube, or other implanted or indwelling device. a thick grouping of microorganisms that are very resistant to antibiotics and antimicrobial agents and that live on gingival tissues, teeth, and restorations, causing caries and periodontal disease; also known as. bacterial plaque biofilm.