0
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.
Still curious? Ask our experts.
Chat with our AI personalities
Vivi
Steve
Rafa
Add your answer:
Earn +20 pts
What type of tissue forms the protective outer layers of the plant?
The protective outer layers of a plant are composed of dermal tissue, which includes the epidermis and periderm. The epidermis is the outermost layer of cells that covers young plant parts, while the periderm replaces the epidermis in older, woody plant parts. Dermal tissue provides a protective barrier against physical damage, pests, and pathogens.
Which are the part of a periderm?
The periderm is composed of three layers: cork (phellem) on the outside, cork cambium (phellogen) in the middle, and phelloderm on the inside. The periderm serves as a protective layer in woody plants to replace the epidermis as the plant matures.
Replace the epidermis as the woody stem grows protect the stem from physical damage and help prevent water loss?
The periderm replaces the epidermis in the woody stem to provide protection from physical damage and help prevent water loss. It forms a thick, waterproof layer of bark that serves as a barrier against environmental factors. The periderm also contains cork cells that are dead at maturity, providing additional structural support to the growing stem.
What is periderm in secondary growth?
Secondary growth in cortical region forms secondary cortex inside and periderm outside the cortical cambium
Where are the protective tissues found in plant body?
Protective tissues in plant bodies are typically found in the epidermis, which is the outermost layer of cells. The epidermis is responsible for protecting the plant from physical damage, pathogens, and water loss. In woody plants, the outermost layer of the stem and roots is covered by a thick layer of protective tissue called the periderm, which replaces the epidermis in older parts of the plant.
