Sarcina

Source

Elisabeth Mandahus, Biochemical laboratory technician, Böhm-Klein-Wonnerth Labormedizin OG, Wien, Austria

Description

The small and many tetrads shown in the image are due to sarcina, an uncommon anaerobe which is commonly present in the gastrointestinal tract but not in the urine. The uncommon finding of sarcina in the urine indicates a contamination of the urine from gastro-intestinal secretions.

Keywords