Antiretraction Device		Colony Forming Units - seperable cells on a semisolid agar medium that create a visible colony
Biofilm		When the body is properly aligned with the distribution of weight throughout the spine is equal
CFUs		Bacteria that uses organic carbonas a source of nutrients. Protozoa, fungi, and most bacterial fall into this category
DUWL		Bacteria that freely floats on water
Heterotrophic		Dental Unit Water Lines - small bor tubing used to deliver dental treatment water through a dental unit (usually plastic tubing)
Immunocompromised		Having a weakened immune system
Legionella		Slime producing bacterail communities that may also harbor fungi, algae, and protozoa
Planktonic		Genus of bacteria responsible for Legionellosis
Ergonomics		prevents entry of fluids and microorganisms into waterlines as a result of negative water pressure, or "suck back"
Neutral Position		Adaptation of work environment and tasks to the human body