Figure 2: CGRP immunoreactive varicose nerve processes (arrows) supplying a blood vessel (b.v.) of the rat pancreas at ED 16. In this experiment, a rabbit polyclonal CGRP antibody (2p; generated by Prof. C Sternini. UCLA School of Medicine. Los Angeles, CA, USA) was applied to cryostat sections and processed with an avidin biotin peroxidase immunohistochemical technique. Magnification 100x.