Morphology of Bacteria

Morphology of Bacteria

Morphology of Bacteria Morphologically bacteria can resemble: Cocci (Singular: coccus) Bacilli (rods) (Singular: rod, bacillus) Vibrios (Singular: vibrio) Spirilla (Singular: spirillum) Spirochaetes (Singular: spirochaete) Cocci These are round or oval bacteria measuring about 0.5–1.0 um in diameter.  When multiplying, cocci may form pairs, chains, or irregular groups: cocci in pairs are called diplococci, e.g. meningococci … Read moreMorphology of Bacteria

Differences between Anthrax bacilli and Anthracoid bacilli

Differences between Anthrax bacilli and Anthracoid bacilli

Differences between Anthrax bacilli and Anthracoid bacilli The saprophytic organisms which simulate the anthrax bacillus closely, both in their morphological and cultural characters within the group of Gram-positive aerobic sporing bacilli are termed as Anthracoid bacilli. They have a general resemblance to anthrax bacilli such as producing dry wrinkled colonies and in smear, appearing as … Read moreDifferences between Anthrax bacilli and Anthracoid bacilli