Cryptic crossword clue
In cell, our not entirely round cell bodies 8

The most common and most likely answer to this crossword clue is the 8 letter word NUCLEOLI

I've seen this crossword clue in The Guardian
N
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The cryptic/wordplay part
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This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
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What does NUCLEOLI mean?

NUCLEOLI noun
  1. A conspicuous, rounded body within the nucleus of a cell.

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