Rue dram poured into body part (7)

I believe the answer is:

eardrum

I'm a little stuck... Click here to teach me more about this clue!

'body part' is the definition.
(eardrum is a kind of body part)

'rue dram poured' is the wordplay.
'rue dram' anagrams to 'EARDRUM'.
But, I'm not sure how the anagram is indicated.

'into' acts as a link.

Can you help me to learn more?

(Other definitions for eardrum that I've seen before include "Hearing membrane" , "Tympanum" , "Tympanic membrane" , "Aural membrane" , "Otic membrane" .)

I've seen this clue in The Mirror.

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