• A genus of gram-positive, anaerobic, rod-shaped bacteria in the Propionibacteriaceae family that is a normal skin saprophyte but that can cause chronic infections and abscesses.
  NCI
  U.S. National Cancer Institute, 2021
• A genus of gram-positive, rod-shaped bacteria whose cells occur singly, in pairs or short chains, in V or Y configurations, or in clumps resembling letters of the Chinese alphabet. Its organisms are found in cheese and dairy products as well as on human skin and can occasionally cause soft tissue infections.
  NLM Medical Subject Headings
  U.S. National Library of Medicine, 2025
• Any bacteria that is not assigned to the species level but can be assigned to the Propionibacterium genus level.
  CDISC Terminology
  Clinical Data Interchange Standards Consortium (CDISC), 2021
• Genus of gram positive, rod shaped bacteria whose cells occur singly, in pairs or short chains, in V or Y configurations, or in clumps resembling letters of the Chinese alphabet; organisms are found in cheese and dairy products as well as on human skin and can occasionally cause soft tissue infections.
  CRISP Thesaurus
  National Institutes of Health, 2006