Gram stain of a broth culture of Actinomyces israelii

Gram stain of a broth culture of Actinomyces israelii

Variable morphologies of these gram-positive organisms are visible, ranging from diptheroidal to coccoid filaments.

Courtesy of Dr. Diane L Roscoe, Department of Pathology and Laboratory Medicine, University of British Columbia.

Graphic 68050 Version 2.0