Nose, maybe, needing to be blown (5)

I believe the answer is:

organ

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'nose maybe' is the definition.
(I know that nose is a type of chemoreceptor cell)

I can't explain the remainder of the clue.

Can you help me to learn more?

(Other definitions for organ that I've seen before include "Instrument - heart, for example" , "Publication - musical instrument" , "periodical" , "Church instrument - heart, perhaps" , "House journal" .)

I've seen this clue in the Evening Standard.

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