During a normal bowel movement, stool passes from the large intestine to the rectum and then to the anus. Muscles in the anal area help to control when a bowel movement occurs. Nerves in the area help ...

It's not immediately clear how the stool got caught to begin with. Photos surfaced online of an elk near Ruidoso with a piece of furniture stuck on its neck. It's not immediately clear how the ...

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Experimental study design. The figure summarizes steps taken and the number of samples processed at each step. Two types of stool material were used for three sets of DNA extraction, differing in the ...