Unfertilized egg of A. lumbricoides. Note the prominent mammillations on the outer layer.  

Infertile, decorticated egg of Ascaris lumbricoides

General Information: S. marcesens, S. liqefaciens, S. odorifera are most clinically significant Pathogenesis and Infectious Disease: disease occurs primarily in debilitated individuals S. ...

Proteus Pathogenesis and Infectious Disease: a common cause of urinary tract infections and wound infections, septicemia, and pneumonia Test Results: P. mirabilis : Lactose fermentation: ...

Klebsiella sp. Pathogenesis and Infectious Disease: K. pneumoniae is a significant cause of respiratory (especially pneumonia) and urinary tract diseases (opportunist) K. ozaenae ...

Plant cell in a concentrated wet mount of stool. Such material can be common in stool and may be confused for helminth eggs, although they are usually much larger than the eggs of most ...

Plant hair in a concentrated wet mount of stool. Plant hairs can be common in stool and may be confused for the larvae of hookworm or Strongyloides stercoralis. However, they are often ...

This is simple diagram shows the three zone of antibody-antigen reactions:

Pollen grain in a concentrated wet mount of stool. This grain looks very similar to the fertile egg of Ascaris lumbricoides, although the spine-like structures on the outer layer should ...

Fungal spore in a wet mount of stool. Such spores may be confused for the cysts of Entamoeba spp

Fungal spore in concentrated wet mounts of stool. Such spores may be confused for protozoa such as Giardia or Chilomastix.

Spore of a morel mushroom. Such spores may be confused for helminth eggs, especially hookworm.