uropod


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Related to uropod: Swimmerets

uropod

[′yu̇r·ə‚päd]
(invertebrate zoology)
One of the flattened abdominal appendages of various crustaceans that with the telson forms the tail fan.
References in periodicals archive ?
Larvae searched for prey by sweeping an arc-shaped area around them and moved from point to point by securing themselves with their uropod.
Uropod exopod biarticulated, longer than proximal endopod article; endopod terminal article longer than other articles.
Some lesions would become severe enough to cause parts of the shell to break away, such as the uropods of the tail region.
1]) were drawn connecting the highest points of the uropod on both sides of the open end of the V.
Lengths of the antennae, uropods, and bodies (with and without antennae and uropods) all increased with body weight (Fig.
Uropod with broad mmi; exopod with two small spines at posterolateral angle and with distinct transverse suture; posterolateral projection of protopod terminally blunt.
Molt stage was determined by examination of setogenesis via changes in the seta on the margin of the inner uropod, in accordance with Smith and Dall (1985).
The effects of eyestalk, leg, and uropod removal on the molting and growth of young crayfish, Procambarus clarkii.
exotica, the abdominal and posterior thoracic segments, as well as the uropod styles, flex in the dorsal and ventral directions.
A second region, the peraeon, of 7 segments, each with a pair of legs (peraeopods) and third region, pleaon, of 6 segments with pair of pleopods, except the last which together with biramous uropods form a swimming tail pleotelson [15].
Pleomere 6 bearing widely separated uniramous uropods of structure and shape similar to that of lateral plates.
Uropods flank the telson and are used for reverse propulsion and steering while forward swimming.