unequally bifid seta

unequally bifid seta
A seta that is often spine-like and has a smaller thin seta or hair just proximal to its tip. The hair has a nerve extending into the cuticle and is probably the external expression of a sensory nerve [Wilson, 1989].

Crustacea glossary. . 2011.

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  • bifid — A structure with two distal tips, as in unequally bifid seta [Wilson, 1989]. Split in two, as in spines [Butler, T.H.]. (Order Isopoda): Divided into two lobes or parts by a cleft [Kensley and Schotte, 1989] …   Crustacea glossary

  • whip seta — Similar to the unequally bifid seta, except more slender. The sensory hair on the distal tip is long and curved [Wilson, 1989] …   Crustacea glossary

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