Actinomyces
A genus of gram-positive, rod-shaped bacteria whose organisms are nonmotile. Filaments that may be present in certain species are either straight or wavy and may have swollen or clubbed heads.
Source: National Library of Medicine 2013 MeSH Scope Note and Classification
Images
Figure 1. Gram stain of hepatic aspirate, showing <i>Actinomyces israelii</i>.
Figure 1. Gram stain of hepatic aspirate, showing Actinomyces israelii.
view larger / more info
Figure 2. Fluorescent antibody stain of hepatic aspirate, showing <i>Actinomyces israelii</i>.
Figure 2. Fluorescent antibody stain of hepatic aspirate, showing Actinomyces israelii.
view larger / more info
Figure 3. Gram stain of peri-hepatic drainage, showing Actinomyces.
Figure 3. Gram stain of peri-hepatic drainage, showing Actinomyces.
view larger / more info
Related Cases
A man in his thirties with acute lower extremity weakness and a lung mass
Asymptomatic nodular swelling of the right foot
A woman in her thirties with a 4 month history of abdominal pain and vaginal bleeding.
A woman with right upper quadrant pain, radiating to the right shoulder, and a cystic mass in the right upper quadrant.
A man with right upper quadrant abdominal pain for six months.

Show All Related Cases (9) »

Related Images From Cases

Show All Related Images (47) »

References
  1. National Library of Medicine 2013 MeSH Scope Note and Classification