Micro 4: Microscopy and In Vitro Culture
This episode marks the listener’s formal entry into the microbiology laboratory. Drawing from Murray’s account, it explores how microorganisms are first detected, visualised, and grown - transforming clinical suspicion into observable evidence.
The episode begins with microscopy: light, fluorescence, and electron techniques that convert scale into structure. It then moves into in vitro culture, where microbes are no longer fleeting presences but living systems that must be supported, constrained, and interpreted. Media selection, atmospheric conditions, growth rates, and contamination are…
The skinny
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