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A morphometric analysis of cellular differentiation in caps of primary and lateral roots of Helianthus annuus



A morphometric analysis of cellular differentiation in caps of primary and lateral roots of Helianthus annuus



American Journal of Botany 72(7): 1048-1053



In order to determine if patterns of cell differentiation are similar in primary and lateral roots, I performed a morphometric analysis of the ultrastructure of calyptrogen, columella, and peripheral cells in primary and lateral roots of Helianthus annuus. Each cell type is characterized by a unique ultrastructure, and the ultrastructural changes characteristic of cellular differentiation in root caps are organelle specific. No major structural differences exist in the structures of the composite cell types, or in patterns of cell differentiation in caps of primary vs. lateral roots.

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Accession: 004589778

Download citation: RISBibTeXText

PMID: 11539695

DOI: 10.2307/2443447



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