| A | B |
|---|
| aerobic | requiring oxygen to live and grow |
| anaerobic | not requiring oxygen to live and grow; able to thrive in the absence of oxygen |
| antisepsis | aseptic control that inhibits, retards growth of, or kills pathogenic organisms; not effective against spores and viruses |
| asepsis | being free from infection |
| cavitation | the cleaning process employed in an ultrasonic unit; bubbles explode to drive cleaning solution onto article being cleaned |
| contaminated | containing infection or infectious organisms or germs |
| endogenous | infection or disease originating within the body |
| exogenous | infection or disease originating outside of or external to the body |
| nosocomial | pertaining to or originating in a health care facility such as a hospital |
| opportunistic infection | an infection that occurs when the body's immune system cannot defend itself from pathogens normally found in the environment |
| pandemic | an infectious disease that affects many people over a wide geographic area; a worldwide epidemic |
| sterile | free of all organisms, including spores and viruses |
