The large amount of PAO could be found in the cytoplasm of parenchyma in cotyledon and in the cell membranes and intercellular spaces of cortical parenchyma in phyllogen.
MRI showed a large inhomogeneously enhanced tumor in the atrium of the right lateral ventricle with extraventricular invasion of the adjacent brain parenchyma.
There are a large number of starch grains in most cells of protocorm and in cells of cortex parenchyma of rhizome, but almost no starch grain is found in pseudobulb.