Recent scientific tests substantiate a model from the tunica albuginea on the CC for a bi-layered framework which has a 360° total internal circular layer and a 300° incomplete outer longitudinal coat spanning with the bulbospongiosus and ischiocavernosus proximally, and extending continuously in the distal ligament inside the glans penis https://www.sgvascularctr.com/understanding-venous-leak-treatment-in-singapore/