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uropod

The terminal appendage of a crustacean, typically paired, forming the outermost part of the tail fan.
Noun
pl: uropods

This term is a specialized anatomical descriptor used primarily in carcinology and zoology. It refers specifically to the paired appendages at the end of the abdomen in crustaceans, which work in tandem with the telson to create the tail fan. This structure is critical for the "caridoid escape reaction," allowing the animal to propel itself backward rapidly.

Because it is a technical biological term, it is almost exclusively found in scientific literature, academic textbooks, or taxonomic descriptions. It is not used in general conversation or non-scientific contexts.

Meanings

Noun

The terminal appendage of a crustacean, typically paired, forming the outermost part of the tail fan.

The uropod helps the shrimp swim backward rapidly to escape predators.

Examples

The lobster uses its uropods to create a powerful backward thrust when escaping predators.

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Look at how the uropod extends from the side of the telson.

Trivia

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I wonder if the shape of the uropod varies significantly between different shrimp species.

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The uropods and telson together form the tail fan used for steering.

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Each uropod is typically divided into an exopod and an endopod.

School Life

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The specimen shows a damaged left uropod likely caused by a predator.

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These uropods are essential for the rapid escape response of the crayfish.

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The researcher carefully measured the length of the uropod under the microscope.

School Life

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Without a functional uropod, the crustacean cannot maneuver effectively in the water.

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Related Words

crustaceantelsonabdomenpleopodappendagecarapaceexopodendopodarthropodmalacostracandecapodshrimplobstercrayfishkrillisopodamphipodtailswimmingsteeringpropulsionmorphologyanatomysegmentexoskeletonchitinjointlimbventraldorsalposterioranteriorlateralbilateralsymmetryzoologybiologytaxonomyspeciesgenusorderclassphylummarineaquaticbenthicpelagicmoltingecdysiscarcinologypodomerecoxabasiscarpuspropodusdactylcephalothoraxantennamandiblemaxillamaxillipedgillspiraclehemolymphcuticle
Última actualización: May 2026Reportar un error