The answer depends on how much analyses and what you are trying to analyze for in feces. For instance, looking for parasites is fairly easy. You put some under a microscope and see what you can find crawling around in it. Or testing for hidden or "occult" blood, it is as simple as wiping a gloved finger which came out of the patient onto a reagent strip and seeing what color it turns. Now, if you are analyzing feces for DNA, that can be difficult. Feces does contain DNA, but the PCR process may have to be performed first to get enough DNA to test.
Difficult, delayed elimination of feces is known as constipation.
Constipation
because their is less feces
Involuntary encopresis is related to constipation, passing hard painful feces, and difficult bowel movements
The feces become harder and harder and also become more and more difficult to excrete. Also, as more feces is created, the colon becomes fuller and fuller, creating discomfort and perhaps infection. Holding stools in for long periods is not recommended.
dessicationdehydration
Collecting and analyzing samples of soil and rock are fiendishly difficult operations for an orbiter, but are child's play for a lander.
Collecting and analyzing samples of soil and rock are fiendishly difficult operations for an orbiter, but are child's play for a lander.
Constipation, which then can lead to hemorrhoids.
When analyzing antiques, it is difficult to discern whether the weather weathered the item, or was it faked? What's the weather outside like today?
The feces become harder and harder and also become more and more difficult to excrete. Also, as more feces is created, the colon becomes fuller and fuller, creating discomfort and perhaps infection. Holding stools in for long periods is not recommended.
Constipation, which then can lead to hemorrhoids.