Meaning & use
Urostyle
Last updated
The elongated, rod-like bone formed from fused vertebrae at the rear of the spine in frogs and toads.
See it in a sentence
The urostyle supports the pelvic girdle and aids in the frog's powerful jumping motion.
Dissection revealed the slender urostyle running along the base of the frog's spine.
A note on using this word
Unique to frogs, toads, and their relatives, the urostyle is thought to have evolved to stiffen the body for jumping.
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