exopodite


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exopodite

[ek′säp·ə‚dīt]
(invertebrate zoology)
The outer branch of a biramous crustacean appendage.
References in periodicals archive ?
Antennae occur from the first larval stage onward and may have plumose, pappose, or simple setae on their exopodites. Plumose setae are present during all life stages, and increase in size and density during ontogenesis; however, pappose setae appear during the postlarval stage and simple setae during the juvenile stage.
It differs from the known six, conspecific subspecies in the combination of the following characters: structure of exopodite of antennae and mandibular palp, presence of inner seta on the first segment of legs 2, and equipment of abdominal somites.
The uropods were fully developed, with the exopodite bearing both the outer spine and distal joint.
Both species present a knob at the proximal inner corner of basipodite II, but the shape of the second segment of exopodite is different, without inner margin concavity present in this new species (see figures in Kiefer, 1936).
4); the paddle-like exopodites that are used by the larval stages to remain in the water column presumably increase drag during tailflicking.
Prey manipulation and ingestion were apparently unaffected by movements of the exopodites and endopodites of the maxillipeds, which were used only for locomotion.
Intracellular dye was infused through the cut ends of the exopodite muscles so that the innervating motor neurons also took up the dye.
platypus (Webb, 2014): paired ovaries dorso-lateral to the digestive system, and connected in the middle, showing an "H" shape, and oviducts, which are connected to gonopores located on the ventral surface of the exopodites of the second pereiopods.
The pleopods are similar to those of the type, their exopodites extending considerably beyond the margins of the pleomeres, the subcircular endopodites not covering the central region of the dorsal surface of the pleon.
The fine and discrete external scratches were made by the lamellate exopodites (noted Ex on the Fig.
Another distinguishing characteristic is the lack of asymmetry in the setation of the exopodites of the 1st maxillipeds of these larvae with respect of other brachyuran crabs.