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Acid mucosubstances and neutral mucosubstances can be differentiated by staining with both:

The processing step that assures alcohol is removed from the tissue is:

A very serious microtomy artifact in the histopathology laboratory is:

An H&E stained lymph node section reveals overlapping nuclei. This indicates that the section is most likely:

Multiple skin sections should be embedded with the epithelial surfaces facing in:

To obtain a section of small intestine showing mucosa, submucosa, muscularis externa and adventitia, the tissue must be embedded:

The PAS reaction is useful for the demonstration of:

The method most commonly used in cytology preparation of a sparsely cellular nongynecologic fluid specimen:

Tissue stored for  long periods of time in unbuffered formalin or acetate formalin may show brown crystalline pigment in stained sections. To removed this pigment prior to staining it is necessary to treat the microscopic sections with:

The function of the condenser on the light microscope is to: