Stoma burst, little bits everywhere (5)

I believe the answer is:

atoms

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'little bits everywhere' is the definition.
I can't tell whether this definition defines the answer.

'stoma burst' is the wordplay.
'burst' indicates an anagram.
'stoma' with letters rearranged gives 'ATOMS'.

Can you help me to learn more?

(Other definitions for atoms that I've seen before include "Small particles" , "Minute particles" , "Little things" , "Tiny particles" , "Dots" .)

I've seen this clue in The Independent.

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