uropod


Also found in: Dictionary, Wikipedia.
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 ?
Uropod exopod biarticulated, longer than proximal endopod article; endopod terminal article longer than other articles.
A specimen having different article numbers in the left and right uropod could thus reflect an incomplete ecdysis.
Some lesions would become severe enough to cause parts of the shell to break away, such as the uropods of the tail region.
Images were taken of the uropods and last abdominal segment on a Behr Pure White color sample.
1]) were drawn connecting the highest points of the uropod on both sides of the open end of the V.
Tails that could not be analyzed were those in which the notched uropod was completely eliminated or disfigured during a molt beyond what could reasonably be compared with a control lobster (5 could not be analyzed after first molt).
Uropod with broad rami; exopod with two small spines at posterolateral angle and with distinct transverse suture; posterolateral projection of protopod terminally blunt.
Last pleomere produced into long nonarticulating uropods of same structure as lateral plates.
bourdonis in that the frontal lamina of its head is not demarcated, its body is more rounded, it has dorsally visible coxal plates on more pereomeres, its pleopodal endopodites are larger than its exopodites, and its uropods touch each other medially.
Pieces of the shell (carapace, abdomen, telson, uropods, pleopods, claws, and legs) of each lobster were stored in 95% ethanol, acetonitrile, or Bouin's solution, or they were frozen at -80[degrees]C as part of a proposed tissue bank for later studies.
2A, C), the similar morphology of pereiopods 3-5 but the distinctly different dactylus of pereiopod 2, the well developed suture on both uropods, and other characters of the genus (see Goy and Provenzano 1979; Alvarez et al.
The abdomen is well-developed, curving ventrally and then anteriorly, and the telson and uropods are well developed.