Gram stain Sentence Examples

Can be difficult to differentiate pleural empyema from pleural effusion in the absence of a positive Gram stain or bacterial culture.

The Gram stain is performed on a sediment of the CSF and is positive in at least 60 percent of cases of bacterial meningitis.

They take on the red color of the counterstain used in the Gram stain procedure.

The bacterium can be grown on chocolate agar or identified by blood cultures or Gram stain of body fluids.

The Gram stain procedure allows the identification of purple (gram positive) organisms and red (gram negative) organisms.