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.
1 Problems with brain-gut signals may cause IBS symptoms, such as changes in bowel habits and pain or discomfort. 2  GI motor problems. 3  Normal motility, or movement, may not be present in the colon of a person who has IBS. 4  Slow motility can lead to constipation and fast motility can lead to diarrhea. Problems with brain-gut signals may cause IBS symptoms, such as changes in bowel habits and pain or discomfort. 2  GI motor problems. 3  Normal motility, or movement, may not be present in the colon of a person who has IBS. 4  Slow motility can lead to constipation and fast motility can lead to diarrhea.