Microbiology Glossary


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Microbiology Glossary

Part 2, English terms and abbreviations with explanations.

Term	Explanation
IMF	Intermediate-moisture food
Impedance	Apparent resistance to flow of electrical current; sometimes used to detect bacterial growth in liquid culture because impedance decreases.
Indicator organism	A relatively easily detected organism which suggests that pathogens may be present. Especially Escherichia coli, usually non-pathogenic, which indicates potential sewage/fecal contamination.
ISP	International Streptomyces Project. ISP Medium 4 contains soluble starch, K₂HPO₄, MgSO₄, NaCl, (NH₄)₂SO₄, CaCO₃, FeSO₄, MnCl₂, ZnSO₄, and agar. Also called ‘Inorganic Salts Starch Agar’