Periderm, also known as bark is the outermost layer of stems and roots of woody plants.
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Secondary growth in cortical region forms secondary cortex inside and periderm outside the cortical cambium
What role does the periderms play in
The periderm is the secondary protective (dermal) tissue that replaces the epidermis during growth in thickness of stems and roots of gymnosperms and dicotyledons (i.e., secondary growth). Unlike the epidermis, the periderm is a multilayered tissue system, the bulk of which usually constitutes the cork, or phellem.
Its the Periderm.
Periderm
Cork cambium
dermalEpidermal Tissueepithelial tissue
The skin of a plant is called dermal tissue. This tissue is made up of epidermis and periderm which together cover and protect the plant.
Periderm is another term for tree bark. It comprises tissue surrounding cork cambium.
firmed, termed, affirmed, infirmed, reaffirmed, reconfirmed, unconfirmed, mistermed, squirmed, wormed
Bark makes up the phloem tissue and a cork cambium that protects the stem.
Extra stelar secondary growth occurs due to th activity of cork cambium.... It produces cork cells and parenchyma cells.... In extra stelar secondary growth there is no annual ring formation.... It later on leads to the formation of periderm and lentices.... sanjana arun