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Fig. 6. Coronal half-Fourier acquisition single-shot turbo spin echo image
in fetus at 21 weeks' gestation shows three cerebellar layers: peripheral
layer of low signal intensity corresponding to cerebellar cortex (curved
arrow), thicker middle layer of high signal intensity corresponding to
cerebellar white matter, and deep layer of low signal intensity outlining
fourth ventricle that corresponds to dentate nucleus (straight
arrow). Note cerebellar tonsils (open arrow).