1. "Under a microscope"
This means something is being viewed through a microscope, often for closer examination or analysis. For example:
* "We examined the sample under a microscope."
* "The bacteria were visible under a microscope."
2. "Inside a microscope"
This is less common but could refer to the internal parts of a microscope, like the lenses, stage, or illumination system.
3. "Using a microscope"
This phrase indicates that a microscope is being used for a particular task, such as observation, research, or diagnosis. For example:
* "We studied the cells using a microscope."
* "Doctors use microscopes to diagnose diseases."
Can you please provide more context or the full sentence where you encountered the phrase "in microscope" so I can give you a more accurate answer?