Does the Biofield have scar tissue?

I have been finding that when I work on a person more than once there is a possible chance I feel something similar to scar tissue in the biofield. I am still trying to find the scientific explanation to what this is that I feel in the energy timeline.  There is no pitch change in the fork.  These areas have already had incoherent energy removed from previous tuning sessions.  I find that the space that those blocks resided in remains with a different feeling once the fork is moving through that area. There are no blocks of energy just a feeling of scar tissue.