semar4dLink Alternatif Semar4D, Login Semar4D, Aplikasi Semar4D, Bekasi. 35 likes · 1 talking about this. Link Alternatif Semar4D, Login Semar4D, Aplikasi Semar4D.Semaphorin 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 receptor