The origin of the kidney and ureter in Rana t | vedclass

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(A) In $Rana$ $tigrina$ (frog),the excretory system,including the kidneys and the ureters,is derived from the mesodermal germ layer during embryonic d

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All mesodermal

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(A) In $Rana$ $tigrina$ (frog),the excretory system,including the kidneys and the ureters,is derived from the mesodermal germ layer during embryonic development.Specifically,the kidneys develop from the intermediate mesoderm,and the ureters (or Wolffian ducts) also originate from the mesodermal tissue.Therefore,both the kidney and the ureter are entirely mesodermal in origin.

The origin of the kidney and ureter in $Rana$ $tigrina$ is:

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