Scrub opening of wound in need of dressing (5)

I believe the answer is:

naked

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'scrub opening of wound in need of dressing' is the definition.
Both the definition and answer are adjectives. Perhaps there's an association between them I don't understand?

This is all the clue.

Can you help me to learn more?

(Other definitions for naked that I've seen before include "Knead (anag.)" , "Without clothes" , "in the emperor's new clothes?" , "Unclad" , "Without protection" .)

I've seen this clue in The Independent.

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