semar4dSemaphorin 4D (Sema 4D) is an axon guidance molecule which is secreted by olodendrocytes and induces growth cone collapse in the central nervous system.By binding plexin B1 receptorSemar 4d. Semar 4d. 8514 4-13 33 8POLI C3PTS.CUSTOMER QUOTES The real power of SEMAR is in the ability to clearly visualize the adjacent soft tissue structures free