Fig. 4
From: Plant regeneration through somatic embryogenesis in cell suspensions of Cenchrus ciliaris L.
A–F Identified and isolated somatic embryo development stages. A Globular embryo formation, B scutellar notch, C and D advance scutellar stages, E coleoptile (CPT) and coleorhiza (CRZ), F leaf primordia development stage, G–L scanning electron micrographs of different stages of somatic embryos from cell suspension cultures (G) globular embryo stage, H globular embryo differentiation in the scutellar notch (SN), I)scutellar grooves (SG) formation, J differentiated scutellum (SC), K arrows indicating coleoptile (CPT) and coleorhiza (CRZ) followed by scutellum, L shoot apical meristem (SAM) surrounded with leaf primordia (LP 1, LP 2, LP 3, LP 4) layers in the process of leaf formation