Primary growth: root apical meristem RAM

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Primary growth root apical meristem (RAM)
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Primary growth root
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Primary growth shoot apical meristem
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Shoot apical meristem longitudinal section
through Coleus
Photo courtesy of Paul Schulte
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Root cross-section (Agave)
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Endodermisstained with Sudan red
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Dicot stem cross-section
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Monocot stem cross-section
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Vascular bundle