Microsporum canis Cause of tinea capitis in humans and simple ringworm in pets. The organism's major reservoir in companion animals is within domestic cats and dogs. Under woods lamp examination , it gives bright green fluroscence. This property is used for identification of Microsporum canis It is closely related to other dermatophytes.
The life cycle of Giardia lamblia begins when humans ingest infective cysts via feces, fingers, food, fomites flies or infected water. The cyst then passes to the small intestine where excystation occurs and trophozites multiply asexually via binary fission. The diagnostic stage is marked by infective cysts passed in feces with trophozoites found in soft or fluid feces.
A Gram stain of mixed Staphylococcus aureus (Staphylococcus aureus ATCC 25923, Gram-positive cocci, in purple) and Escherichia coli (Escherichia coli ATCC 11775, gram-negative bacilli, in red), the most common Gram stain reference bacteria