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Transverse section through a monocot root
Legend:
1 cortex
3 pericycle
4 phloem
5 xylem
2 endodermis
6 pith
English name: Greenbrier
Scientific name: Smilax sp.
Familia: Smilacaceae
Classis: Monocotyledonas
Phylum: Angiospermae
Regnum: Plantae
The walls of the endodermis cells are extremely thick, preventing water transport through this barrier. Only a few endodermal cells lack these wall thickenings: these are the so-called passage cells. Water transport is only possible through the cytoplasm of these cells
