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Structural Organisation in Animals
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Solution:
The vertebral column of frog comprises of 10 vertebrae. The first nine vertebrae (1 atlas, 6 typical, 1 eight and 1 sacral) are normal, while the tenth one is elongated and conical rod like called urostyle. Urostyle is a rod shaped bone (representing fused caudal vertebrae) in anuran vertebral column.