In biology, having two septa or walls dividing the interior space, usually describing microscopic structures or cells.
From Latin 'bi-' (two) and 'septum' (fence or dividing wall). Used in botanical and zoological terminology since the 18th century to describe cellular structures.
Biologists use this term to describe tiny structures invisible to the naked eye—it shows how Latin prefixes let scientists describe complex microscopic architecture with just a couple of words.
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