Monosynaptic means there is only one neuron involved each way on the path to the spinal cord (called an afferent or sensory neuron) and one away from the spinal cord (called an efferent or motor neuron). An example of a monosynaptic reflex is the patellar (knee jerk) reflex.
13 Root Causes of IBS-D. The root causes of IBS-D are actual problems that, until corrected, will continue to cause diarrhea and can lead to further health decline. This list is in no particular order and if need be could be printed to take to your next doctorâs appointment.
Diarrhea is more frequent and more liquid bowel movements than normal. There are many causes. Diarrhea often is caused by an infection with bacteria, viruses or a parasite. Bacteria cause diarrhea either by invading the intestine or by producing a toxin that makes the intestine secrete more water.