Definition for Rectal tenesmus
From Biology Forums Dictionary
Rectal tenesmus is a feeling of incomplete defecation. It is experienced as an inability or difficulty to empty the bowel at defecation, even if the bowel contents have already been excreted. It is frequently painful and may be accompanied by involuntary straining and other gastrointestinal symptoms. Tenesmus has both a nociceptive as well as a neuropathic component, and is usually accompanied by intense patient anxiety.