Trachea

Trachea [ Botany ]

Dictionary of botanic terminology - index of names


	*An efficient fluid conducting structure in most vascular plants.*

A trachea is a tube-like structure of the xylem that consists of a column of superposed cylindrical dead cells ( tracheids) whose end walls have been totally degraded, resulting in a continuous tube reinforced by rings and spirals of cellulose fibrils thickened with lignin. Tracheids are found in all vascular plants and are the only conducting elements in gymnosperms and ferns.

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