cephalic setae
(NEMATA)
Setae-like sensilla of the outer of three circlets around the anterior neck region or mouth.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • cephalic cage — (ANNELIDA: Polychaeta) Long forwardly directed setae encircling the mouth …   Dictionary of invertebrate zoology

  • maxillule — Cephalic appendages next behind mandible, serving as mouth part. (Syn. first maxilla, maxillula. In cirripeds, also termed inner maxilla) [Moore and McCormick, 1969]. First maxilla; mouthparts immediately posterior to mandibles [Brusca and Brusca …   Crustacea glossary

  • antennule — First cephalic appendage, usually with peduncle of three articles and two multiarticulate flagella (sometimes antenna 1) [Poore, 2004]. First pair of cephalic appendages (antenna 1) [Holdich and Jones, 1983]. First pair of feelers, or antennae… …   Crustacea glossary

  • annelid — /an l id/, n. 1. any segmented worm of the phylum Annelida, including the earthworms, leeches, and various marine forms. adj. 2. belonging or pertaining to the Annelida. Also, annelidan /euh nel i dn/. [1825 35; see ANNELIDA] * * * Any member of… …   Universalium

  • maxilla — Appendage next behind maxillule serving functions in feeding and respiration. (Syn. second maxilla) [Moore and McCormick, 1969]. One of a pair of two sets gnathal appendages situated immediately posteroventral to mandibles [Hobbs and Jass, 1988] …   Crustacea glossary

  • antenna — ( ) [Baba, 2005]. Antennal peduncle consisting of 5 articles, based on Uroptychus. [Baba, 2005] Mobile sensory appendages arising below the eyes at the front of the head. There are two pairs of these appendages, the first and second antennae. The …   Crustacea glossary

  • paragnath — See: labium, metastoma [Martin, 2005]. A pair of ventral projections of the cephalic cuticle just posterior and medial to the mandibles. Each projection has two lobes, a broad lamellar outer lobe with hair like setae on the inner margins and a… …   Crustacea glossary

  • scorpion — scorpionic /skawr pee on ik/, adj. /skawr pee euhn/, n. 1. any of numerous arachnids of the order Scorpionida, widely distributed in warmer parts of the world, having a long, narrow, segmented tail that terminates in a venomous sting. 2. the… …   Universalium

  • maxillula — The second mouthpart and fifth cephalic appendage. In the Janiroidea, it consists of two setose lobes: a large outer lobe armed with robust, tooth like setae; and a smaller inner lobe with only one setae. (Pl. maxillulae) (Syn. maxillule, first… …   Crustacea glossary

  • Oncholaimida — Scientific classification Kingdom: Animalia Phylum: Nematoda Class: Adenophorea …   Wikipedia

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