noun
- the outermost layer of cells in plant embryos and growing tips that develops into the epidermis
Usage: botanical
Examples
- The protoderms of the seedling will eventually form the protective outer layer of the plant.
- Botanists study how protoderms differentiate into specialized epidermal cells.
- The protoderms in the root tip are actively dividing to form new tissue.
- Damage to the protoderms can affect the plant’s ability to develop a proper epidermis.
- Under the microscope, the protoderms appeared as a distinct layer of undifferentiated cells.