Electron Microscopy


Electron Micrograph of a Meningioma

Meningiomas and MMNs have a similar ultrastructure. Cells have multiple, interdigitating processes bound together by desmosomes. Here, the cell body with nucleus and some cytoplasm is at the lower left. The remaining irregularly-shaped cytoplasmic structures are the cell processes, which contain a few organelles. The desmosomes are not well seen at this power.

Find the cell nucleus.


Image contributed by Richard Davis, M.D.

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