What are passage cells?

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(A) The innermost layer of the cortex is called the $Endodermis$. The cells of this layer are tightly connected to each other. The radial and inner wa

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Cells with thin walls that allow the passage of water and dissolved substances.

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(A) The innermost layer of the cortex is called the $Endodermis$. The cells of this layer are tightly connected to each other. The radial and inner walls of these cells are thickened with lignin and suberin,forming a structure known as the $Casparian$ $strip$. Some cells in the $Endodermis$ opposite to the protoxylem remain thin-walled and lack these thickenings. These thin-walled cells are called $Passage$ $cells$,which facilitate the movement of water and dissolved salts from the cortex to the pericycle.

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