epidermis

Term Information

Accession
PO:0005679
Aspect
plant anatomy
Synonyms
related: multiseriate epidermis
exact: dermal tissue
exact: epidermal layer
exact: epidermides
exact: epidermis (Spanish)
exact: epidermises
exact: 表皮 (Japanese)
exact: portion of epidermal tissue
Definition
A portion of plant tissue (PO:0009007) composed of epidermal cells (PO:0004013) that develops from the protoderm (PO:0006210) and covers the surface of a plant structure (PO:0009011). [source: POC:curators]
Comment
The epidermis can be composed of one or more layers of cells. In some species of vascular plants, the epidermis, which is a primary tissue, is replaced by periderm, which is secondary tissue, later in development. The epidermis can also include trichomes, stomatal pores, root hairs, and rhizoids.

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External References

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