The surface finish for Rockwell testing must be smooth and uniform to obtain an accurate measurement. If you recognize the fact that one Rockwell point is equal to 0.002 millimeter (0.000080 inch), it is easy to understand why certain aspects of the test are important. Rockwell results typically are reported to 0.1 Rockwell point (0.000040 in.).
Pinworm inhabits the colon and rectum, feeding on Escherichia coli (E. coli) bacteria in the stool. Late at night when children are asleep, the female pinworm, which measures about the length of a staple (0.5 inch or 13 millimeters), emerges from the anus and lays her eggs on the surrounding skin.
What Yeast Look Like in Your Stool. Candida is a white yeast, so look for white patches in your stool--it could be Candida. The most prevalent form of Candida, Candida albicans, is a germ tube growing yeast. Not all Candida grow hyphal germ tubes; however, around 80% of all yeast infections are caused by Candida albicans.