Your slide consists
of a very small strip taken from the wall of a very large cystic tumor.
Don't waste a lot of time trying to find normal ovary, I'm not sure there
is any.
The malignant
epithelium is found lining the cyst and on the surface of the many papillary
growths and extensions. The papillary "head" seen in the picture to
the left appears to be "floating" because when the section was
cut the stalk connecting it to the wall of the cyst was out of the plane
of the section. Trust me, it was connected to the wall.
Look on the surface
of this little "head piece" for the best examples of the malignant epithelium.
See this slide with the
virtual microscope.
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