Vessel elements play a crucial role in the transport of water from roots to leaves.
Fibers are one of the components of sclerenchyma tissue, along with shorter, thick-walled sclereids and associated with the xylem and phloem tissue for support plant.
In the transverse section both are seems same. So what is accurate parameter to differentiation.
Vessels and fibers in most cases easely be differentiated by cell wall thickness and by the ratio between cell wall and lumen. Also differentate stainig can be used for such search. Also the location of elemets is very important for differetiation of such tissues. It will depend on what plant you study. I think, that you can find more helpful information in 3rd edition of Esau's Anatomy or in similar literature.
Vessels and fibers in most cases easely be differentiated by cell wall thickness and by the ratio between cell wall and lumen. Also differentate stainig can be used for such search. Also the location of elemets is very important for differetiation of such tissues. It will depend on what plant you study. I think, that you can find more helpful information in 3rd edition of Esau's Anatomy or in similar literature.
Agree - staining using toluidine blue or using polarising light under light microscopy picks up lignin thickened cell hence fibres/ sclerenchyma
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