n. [Gr. gnathos, jaw; basis, base]
One of a pair of endites used to manipulate or move food in trilobites, and some crustaceans.
2. (ARTHROPODA: Chelicerata)
In arachnids, the projection from the coxa of a leg or palp, used in crushing food.
3. (ARTHROPODA: Insecta)
A lobe or projection of a basal segment of an appendage near the mouth, used in eating.

Online Dictionary of Invertebrate Zoology. . 2005.

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  • gnathobase — Endite which through medial contact with opposite member of its pair serves for comminution of food; may also serve in food transport [Moore and McCormick, 1969]. Paired endites used to manipulate or move food [McLaughlin, 1980]. (Class… …   Crustacea glossary

  • gnathobase — gnatho·base …   English syllables

  • gnathobase — …   Useful english dictionary

  • mandible — Most anterodorsally situated of gnathal appendages; one, of a pair, of heavily calcified jaws; the teeth. [Hobbs and Jass, 1988]. On of the heavily calcified jaws lying anterior to (beneath, in ventral view) the other mouth parts but visible in… …   Crustacea glossary

  • endite — ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] A mesial lobe like extension of a podomere or such an extension from the axial part of an unsegmented appendage [Hobbs, Hobbs, and Daniel 1977]. A non specific term to… …   Crustacea glossary

  • palp — A lateral appendage of the mandible or the maxilliped [Wilson, 1989]. Reduced distal portion of limb, usually only one of its rami, but may compromise both rami plus basis; usually consists of distal 2 or 3 segments following merus [Moore and… …   Crustacea glossary

  • Xiphosura — Temporal range: Silurian–Recent …   Wikipedia

  • Arthropoda — Arthropode Arthropodes …   Wikipédia en Français

  • Arthropode — Arthropodes …   Wikipédia en Français

  • Arthropodes — Arthropode Arthropodes …   Wikipédia en Français

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