The phrase 'in a microscope' is correct and usable in written English.
You can use it to refer to something that is so small that it needs to be viewed in a microscope in order to be seen. For example, "The researchers studied the movement of the bacteria in a microscope."
Like an image raised in a microscope, the bear kept getting closer and closer, though we never once saw it move.
A video feed shows fuzzy grey-and-white images of the uniformed deck-scrubbers drifting silently about the bridge, like amoebas in a microscope.
Such an image is formed in a microscope or telescope and can be seen by looking into the eyepiece.
He considered the process of measuring the position of an electron by observing it in a microscope.
Then he and Dr. Mandeville place the sample in a microscope outfitted with an instrument called a Fourier transform infrared spectrometer, which can measure the water hidden in the structure of the rock.
A less intrusive option is to use image-recognition software to pick out the outline of a cell in a microscope.
Dr. Erin Wolff peers into a microscope in her lab at the National Institutes of Health (NIH).
In keeping with previous findings regarding the role of A3ARs in neutrophil migration, the highly selective A3AR antagonist MRS1334 [ 15], at a concentration of 1 μM, inhibited the migration of neutrophils in response to fMLP in a microscope-based migration assay (Fig 1A), reducing the average migration speed by approximately half (Fig 1B).
The above image is a piece of graphene and transparent plastic zoomed in under a microscope. .
The space agency examined it under a microscope in 1999.
Peering inside, you may feel as if you are looking through a microscope in a laboratory.
