Habitat and Morphology of Mycobacterium tuberculosis

Habitat and Morphology of Mycobacterium tuberculosis

Habitat and Morphology of Mycobacterium tuberculosis Habitat Human is only the know reservoir. Usually found in the lungs but can also live in any part of the body. They may be obligate pathogen, facultative or opportunistic pathogens or free living. Usually infect the mono-nuclear phagocytes. Can also be infected by the consumption of unpasteurized milk. … Read moreHabitat and Morphology of Mycobacterium tuberculosis

Morphology of Bacillus cereus

Morphology of Bacillus cereus

Morphology of Bacillus cereus Bacillus cereus is gram positive rod shaped bacilli with square ends. Occasionally may appear gram variable or even gram negative with age. They are single rod shaped or appears in short chains. Clear cut junctions between the members of chains are easily visible. Tissue section staining may appear long and filamentous. … Read moreMorphology of Bacillus cereus

Morphology of Clostridium perfringens

Morphology of Clostridium perfringens

Morphology of Clostridium perfringens Clostridium perfringens is large rectangular gram positive bacilli with rounded or truncated ends. It is pleomorphic with straight or curved rods. Size is about 3-8 µm X 0.4-1.2 µm. It is capsulated, non-motile and non-flagellated pathogenic bacteria. It contains spores with central or sub-terminal spores but spores are rarely seen. Endospores … Read moreMorphology of Clostridium perfringens