stylet knobs

stylet knobs
(NEMATA)
Various thickenings (apodemes) at the base of the stylet, usually 3 in number, that serve as attachment points for the protractor muscles; see basal knobs.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • basal knobs — (NEMATA) The posterior knobs of the oral stylet; see stylet knobs …   Dictionary of invertebrate zoology

  • protractor muscles — 1. A contractile muscle that functions to extend an organ. 2. (NEMATA) Muscles attached to the stylet knobs or base and anteriorly to the body wall or head skeleton. 3. (SIPUNCULA) In adult Xenosiphon and some larval forms, an extra pair of… …   Dictionary of invertebrate zoology

  • Coffee root-knot nematode — Scientific classification Kingdom: Animalia Phylum: Nematoda Class: Secernentea …   Wikipedia

  • gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… …   Universalium

  • heteropteran — ▪ insect order Introduction   any member of the insect order Heteroptera, which comprises the so called true bugs. (Some authorities use the name Hemiptera; others consider both the heteropterans and the homopterans to be suborders of the… …   Universalium

  • aphelenchus — ˌafəˈleŋkəs noun Usage: capitalized Etymology: New Latin, from Greek aphelēs simple, literally, smooth + enchos spear; from the absence of basal knobs on the stylet : a genus of rhabditoid nematode worms that is the type of the family… …   Useful english dictionary

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