I was cleaning some boxes out of my closet this week and I found a few transcriptions of lectures I gave many years ago. It was fascinating reading these, as I was reminded of how timeless the foundational concepts of Biodynamic Craniosacral Therapy are. Today I am posting a segment from one of those lectures, given at a weekend training at Phoenix Therapeutic Massage College in 2006. When I visited this discussion again, part of it grabbed my attention because it illustrates well a question I am often asked: Why are craniosacral therapists so interested in embryology? I hope it is useful for you in some capacity: