Bundle-sheath



a layer of cells in plant leaves and stems that surrounds a vascular bundle.
Historical Examples

A Handbook of Some South Indian Grasses Rai Bahadur K. Ranga Achariyar
A Handbook of Some South Indian Grasses Rai Bahadur K. Ranga Achariyar

bundle sheath
A layer or region of compactly arranged cells surrounding a vascular bundle in a plant. The bundle sheaths regulate the movement of substances between the vascular tissue and the parenchyma and, in leaves, protect the vascular tissue from exposure to air.

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