Rice Stem (Cross Section)
Oryza sativa
A cross section of a rice stem (Oryza sativa stem c.s.) stained with Fast Green, exhibiting the specialized anatomical adaptations of a semi-aquatic monocotyledonous culm. The section displays a hollow central pith cavity surrounded by a ring of ground parenchyma tissue containing scattered closed collateral vascular bundles. Prominent large air spaces (aerenchyma lacunae) are distributed throughout the cortical region, facilitating internal gas exchange essential for survival in flooded, hypoxic environments. Each vascular bundle is reinforced by a sclerenchymatous sheath surrounding xylem vessels and phloem elements, enclosed externally by a protective epidermal layer.
- Category
- Botany & Plants
- Magnification
- 20x
- Stain
- Fast Green
- Tags
- rice stem, Oryza sativa, rice stem cross section, monocot stem, aerenchyma, pith cavity, vascular bundle, xylem vessel, phloem, sclerenchyma sheath, ground parenchyma, hydrophyte adaptation, epidermis, plant anatomical section
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