1.   The concentrations of urokinase type plasminogen activator in the duodenum resemble the quantities found in normal stomach tissue biopsy specimens.

2.   Tissue specimens were processed for routine histology and immunohistology.

3.   His job is to analyze tissue specimens for the Defense Department.

4.   They denied earlier published reports that the coffins contained only bones and no retrievable tissue specimens.

5.   Unlike most tissue specimens, the sections were not cut or sliced, even though the images of cross sections are often referred to as slices.