The cortex is usually sampled '''several times'''.
The cortex is usually sampled '''several times'''.
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For animals with glomerular disease, one sample should be placed in formal for light microscopy, one sample placed in a fixative, and one sample frozen for immunofluorescence microscopy.
+
For animals with glomerular disease, one sample should be placed in formalin for light microscopy, one sample placed in a fixative, and one sample frozen for immunofluorescence microscopy.