incisor process

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 grinding process in some shrimps, e.g., Pandalidae, in close proximity in others, e.g., Oplophoridae [Butler, T.H.].
Cutting process, often toothed or cusped, of the mandible [Perez Farfante and Kensley, 1997].
Cutting surface (lobe) of mandible (as opposed to molar or grinding lobe) (see Fig. 23h) [Hobbs and Jass, 1988].
The cutting (as opposed to the molar or grinding) lobe of the mandible [Hobbs, Hobbs, and Daniel 1977].
The distal biting part of the mandible that typically bears one or more cusps. On its medial side, it bears the spine row [Wilson, 1989].
The fixed distal 'cutting blade' of the mandible [Holdich and Jones, 1983].
(Class Cephalocarida):
Food-gripping process (vs. grinding = molar process) at end of each mandible) Extends into atrium oris under labrum. Variously armed with spines, setae, and denticles [Stachowitsch, 1992].
(Order Cumacea):
Distal gripping process (vs. grinding = molar process) of each mandible. (Syn. pars incisiva) [Stachowitsch, 1992].
(Order Tanaidacea):
Distal gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Decapoda):
Food-gripping process (vs. grinding = molar process) of each mandible. May be fused with molar process. (Syn. pars incisiva) [Stachowitsch, 1992].
(Order Amphipoda):
Gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Isopoda):
Distal, often toothed gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Isopoda):
Grasping, piercing or slicing structure arising apically on body of mandible [Wetzer et al. 1997].
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Nomenclature of isopod cephalon (A). Examples of isopod mouth appendages: Idoteidae (B, C, F, H); Cirolanidae (D, E, G, I). [Wetzer et al. 1997]
(Order Mysida):
Distal gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Stomatopoda):
Well-developed food-gripping (vs. grinding = molar process) of each mandible; bears single row of teeth and lies over labrum. (Syn. pars incisiva) [Stachowitsch, 1992].
(Order Leptostraca):
Gripping process (vs. grinding = molar process) of each mandible. (simple, with teeth) [Stachowitsch, 1992].
(Class Remipedia):
Cutting process (vs. grinding = molar process) at tip of each mandible; incisor processes of left and right mandibles are generally asymmetrical, i.e., number (three or four) and shape of large denticles differ [Stachowitsch, 1992].
(Superorder Syncarida):
Distal gripping process (vs. proximal grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Thermosbaenacea):
Distal gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].
(Order Euphausiacea):
Gripping process (vs. grinding = molar process) of each mandible [Stachowitsch, 1992].

Crustacea glossary. . 2011.

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Look at other dictionaries:

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

  • incisor — (Order Isopoda): Cutting process of the mandible, usually dentate, sometimes modified for piercing [Kensley and Schotte, 1989] …   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

  • Palatine process of maxilla — Infobox Bone Name = Palatine process of maxilla Latin = processus palatinus ossis maxillae, processus palatinus maxillae GraySubject = 38 GrayPage = 162 Caption = The bony palate and alveolar arch. (Palatine process labeled at bottom left.)… …   Wikipedia

  • lacinia mobilis — An enlarged, nearly articulated spine of the mandible s spine row that is adjacent to the incisor process. It is found only on the left mandible. On the right mandible, it is replaced by a large spine similar in shape to the more posterior… …   Crustacea glossary

  • 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

  • pars incisiva — See: incisor process [Martin, 2005]. See: incisor process [McLaughlin, 1980]. (Order Cumacea): Incisor process [Stachowitsch, 1992]. (Order Decapoda): Incisor process [Stachowitsch, 1992] …   Crustacea glossary

  • mandibular spine row — A row of spine on the medial side of the mandible s incisor process. The lacinia mobilis on the left mandible is actually an enlarged member of the spine row [Wilson, 1989]. (Order Tanaidacea): In mandible, row of spine like projections between… …   Crustacea glossary

  • incisur — Terminal process of mandible, cutting blade, often toothed (more properly, incisor process). (Syn. incisor process) [Poore, 2004]. (Class Ostracoda): An anterior indentation (ranging from slight to deep and even slit like) of the valves of the… …   Crustacea glossary

  • lacinia mobilis — 1. (ARTHROPODA: Crustacea) A small, generally toothed process articulated with the incisor process of the mandible. 2. (ARTHROPODA: Insecta) A small movable lobe like process near the extremity of the mandible; a prostheca …   Dictionary of invertebrate zoology

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