单词	urostyle
释义	urostyle /ˈjʊərə(ʊ)stʌɪl / noun Zoology A long bone formed from fused vertebrae at the base of the vertebral column in some lower vertebrates, especially frogs and toads.The caudal vertebrae have been fused into a single rod-shaped skeletal element (the urostyle or coccyx) that lies between the ilia, in effect moving the tail internally.... Anurans also have nine or fewer presacral vertebrae (usually eight), and the three or four posterior to the sacrum are fused into a rod called the urostyle.
随便看	parajournalist parajump parajumping parajute parakeelya parakeet parakeet auklet parakeet bur parakeratosis parakeratotic parakinesia parakinesis parakite parakiting paralactic acid paralanguage paralaurionite paraldehyde paralegal paraleipomena paralexia paralexic Paralian paralic paralinguistic

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