- setule
- A spine on a seta [Wilson, 1989].An extension of the shaft of a seta, usually of uniform width from base to tip, and forming an articulated or flexible junction with the shaft [Watling, 1989].(Class Cephalocarida):One of numerous minute projections of seta. May also refer to any small setae, e.g., those forming comb on 19th abdominal somite [Stachowitsch, 1992].(Subclass Copepoda):A solid extension of the epicuticle of a seta (see denticle and seta) [Ferrari and Dahms, in press].(Subclass Copepoda):Setiform epicuticular ornamentation element, without tissue connection through integument [Boxshall and Halsey, 2004].(Class Ostracoda):One in a series of minute secondary projections on seta. (flexible, suctorial, tooth-like) [Stachowitsch, 1992].
Crustacea glossary. Natural History Museum of Los Angeles County. 2011.