Species - One of the most basic units of biological classification, ranking just below the genus and comprising individuals or populations capable of interbreeding.⏎
Staph Infection - An infection caused by any one of several harmful species or subspecies of bacteria of the genus Staphylococcus.⏎
Tissue Culture - The process by which tissues are intentionally grown under controlled conditions.⏎
Vaccine - A biological preparation that improves the immune system’s ability to recognize and destroy harmful infectious agents.⏎