maxillula
The second mouthpart and fifth cephalic appendage. In the Janiroidea, it consists of two setose lobes: a large outer lobe armed with robust, tooth-like setae; and a smaller inner lobe with only one setae. (Pl. maxillulae) (Syn. maxillule, first maxilla) [Wilson, 1989].
(Class Ostracoda):
See Fourth and Fifth limbs. (Syn. maxilla) See: fourth limb, fifth limb [Cohen, Peterson, and Maddocks, in press].

Crustacea glossary. . 2011.

Look at other dictionaries:

  • maxillula — max·il·lu·la …   English syllables

  • maxillula — …   Useful english dictionary

  • Maxilla (arthropod mouthpart) — In this malacostracan crustacean diagram, the maxillae are labelled maxilla and maxillula. In arthropods, the maxillae are paired structures present on the head as mouthparts in members of the clade Mandibulata, used for tasting and manipulating… …   Wikipedia

  • galea — n. [L. galea, helmet] 1. (ARTHROPODA: Chelicerata) A moveable process on the digit of the chelicera of pseudoscorpions, used to spin silken cocoons for protection during molting, hibernation, or the brooding of eggs. 2. (ARTHROPODA: Crustacea)… …   Dictionary of invertebrate zoology

  • lacinea — n.; pl. laciniae [L. lacinia, flap] 1. (ARTHROPODA: Crustacea) The inner distal spiny lobe of the second segment of the maxillula. 2. (ARTHROPODA: Insecta) a. In many, the inner lobe (elongate jaw like structure) of the maxilla, located at the… …   Dictionary of invertebrate zoology

  • cardo — Basal segment of maxillula articulating with head [Moore and McCormick, 1969]. Basal segment of maxillule articulating with cephalon [McLaughlin, 1980] …   Crustacea glossary

  • exopod — See: exopodite [Martin, 2005]. ( ) [Holthuis, 1993]. Schematic drawing of a thoracic leg. [Holthuis, 1993] Lateral of two rami arising from the protopod and constituting the biramous limb [Brusca and Brusca, 2002]. Lateral ramus of a biramus… …   Crustacea glossary

  • fourth limb — (Class Ostracoda): 4th (cephalic) limb, labeled maxilla in many papers; use care in reading literature descriptions. (Syn. 1st maxilla, maxillula) [Cohen, Peterson, and Maddocks, in press] …   Crustacea glossary

  • maxillule — Cephalic appendages next behind mandible, serving as mouth part. (Syn. first maxilla, maxillula. In cirripeds, also termed inner maxilla) [Moore and McCormick, 1969]. First maxilla; mouthparts immediately posterior to mandibles [Brusca and Brusca …   Crustacea glossary

  • superlingua — |süpə(r)+ noun Etymology: New Latin, from super + lingua 1. : either of a pair of dorsolateral lobes arising from the hypopharynx of an insect 2. : maxillula …   Useful english dictionary

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