exodermis

Term Information

Accession
PO:0005772
Aspect
plant anatomy
Synonyms
related: root hypodermis
exact: exodermis (Spanish)
exact: 外皮 (Japanese)
Definition
The sub-epidermal layer or layers of cells of the root similar in structure and cytochemical characteristics of the endodermis, the outermost layer or layers of cells of the cortex. [source: GR:Pankaj_Jaiswal, ISBN:0080374913]
Comment
The cell walls are thickened and contain suberin. Absent in pteridophytes, fibrous in Phoenix and accompanied by sclerenchyma in Ananas.

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External References

None.