The balloon-shaped structures called tyloses: | vedclass

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(C) : $Tyloses$ are balloon-like extensions of $parenchyma$ cells that protrude into the lumen of a neighbouring $xylem$ vessel or $tracheid$ through

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are extensions of $xylem$ $parenchyma$ cells into vessels.

Vedclass · Answer

(C) : $Tyloses$ are balloon-like extensions of $parenchyma$ cells that protrude into the lumen of a neighbouring $xylem$ vessel or $tracheid$ through a pit in the cell wall.$Tyloses$ form most commonly in older woody tissue,possibly in response to injury; they may eventually block the vessels and thus help prevent the spread of fungi and other pathogens within the plant.$Tyloses$ may become filled with tannins,gums,pigments,etc.,giving $heartwood$ its dark colour,and their walls can remain thin or become lignified.

The balloon-shaped structures called $tyloses$:

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