gnathal lobe
1. (ARTHROPODA: Crustacea)
The masticatory endite of the mandible; the masticatory process.
2. (ARTHROPODA: Diplopoda)
The third or most distal part of the mandible; bearing the teeth and grinding surfaces.

Online Dictionary of Invertebrate Zoology. . 2005.

Look at other dictionaries:

  • gnathal lobe — Masticator endite of mandible. (Syn. masticator process) [Moore and McCormick, 1969]. Masticatory endite of mandible. (Syn. masticatory process) [McLaughlin, 1980] …   Crustacea glossary

  • incisor process — Biting portion of gnathal lobe of mandible. (Syn. pars incisiva) [McLaughlin, 1980]. Biting portion of gnathal lobe of mandible. (Syn. pars incisiva) [Moore and McCormick, 1969]. Cutting process on mandible; widely separated from molar or… …   Crustacea glossary

  • masticatory process — See: gnathal lobe [Martin, 2005]. See: gnathal lobe [McLaughlin, 1980]. (Class Ostracoda): See: endite. (Syn. maxilla) See: endite [Cohen, Peterson, and Maddocks, in press] …   Crustacea glossary

  • molar process — (Syn. incisor process) [Butler, T.H.]. A medial process of the mandible. In the plesiomorphic condition, it has a broad, distal, triturating surface with circumgnathal denticles, a posterior row of broad, setulate setae, and sensory pores on the… …   Crustacea glossary

  • saw bristles — Heavy setae in row on gnathal lobe of mandible between molar and incisor processes [McLaughlin, 1980]. Row of heavy setae on gnathal lobe of mandible between molar and incisor processes in many Eumalacostraca, especially Peracarida [Moore and… …   Crustacea glossary

  • incisor process — (ARTHROPODA: Crustacea) The biting portion of the gnathal lobe of the mandible; pars incisiva …   Dictionary of invertebrate zoology

  • mandible — n. [L. mandibula, jaw] 1. A jaw. 2. (ANNELIDA: Polychaeta) The ventral chitinous plates or rods, maybe dentate, against which the maxilla work. 3. (ARTHROPODA: Crustacea) One of the third pair of cephalic appendages. 4. (ARTHROPODA: Diplopoda)… …   Dictionary of invertebrate zoology

  • masticatory process — see gnathal lobe …   Dictionary of invertebrate zoology

  • molar process — (ARTHROPODA: Crustacea) The grinding portion of the gnathal lobe of the mandible; pars molaris …   Dictionary of invertebrate zoology

  • saw bristles — (ARTHROPODA: Crustacea) A heavy row of setae between the molar and incisor process on the gnathal lobe of the mandible …   Dictionary of invertebrate zoology

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