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3a-c) originates at the top the protoderm, while the zone of central mother cells originates basally the medullary meristem, and the lateral cells in this zone originate peripheral meristem (Fig.
The cotyledonary cleft is conspicuous and the protoderm is unstratified, formed by flattened cells of easily identifiable (Figure 4--viii).
(Paiva and Machado, 2006), the origin of this type of colleter involves the protoderm and the ground meristem.
The glandular trichomes are epidermal appendix originating in protoderm cells, whereas cells subjacent to tissues such as parenchyma or even vascular tissues also participate in the ontogeny of EFNs (ASCENSAO, 2007; EVERT, 2013).
This latter feature clearly highlighted an early differentiation of protoderm cell line in adventitious versus embryonic roots.