In biology, having two bristle-like structures or setae.
From Latin 'bi-' (two) and 'setosus' (bristly), derived from 'seta' (bristle). Used in zoological and botanical descriptions since the 19th century.
Microscopic creatures and plant parts often have these tiny bristles called setae—the term 'bisetose' lets scientists quickly communicate that an organism has exactly two of these structures without writing a long explanation.
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