Add spaces: Clinicalresearchandtestinghasresultedinthecreationofpenistractiondevicesthathavethecapacitytoincreasethevolumeofthecorpuscavernosa,thestructuresinthepenisresponsibleforerection.
Clinical research and testing has resulted in the creation of penis traction devices that have the capacity to increase the volume of the corpus cavernosa, the structures in the penis responsible for erection.