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 … Dictionary of invertebrate zoology
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