Case 237. Panel 7: Contamination of non-pathogenic microbes

　 　 　 　
　
Pollen seen in a paraffin section of gastric biopsy specimen (HE).
 　
　 　 　 　

　

 　 The biopsy specimen, incidentally touched with the pollen-rich blossom, is covered with a good number of pollen, consisting of spiculated exine and nucleated intine.