2.4 Dermal tissues and features
The dermal tissue is largely composed of squat more or less cubic dermal cells, but it also contains specialist guard cells around the stomata, and various trichomes and root hairs.
2.4.1 Cuticle
The cuticle is a layer of cutin and waxes external to and embedded in the cell wall on the exterior surface of the plant on stems and leaves.
2.4.2 Stomata, guard cells and trichomes
Media Attributions
- Figure 2.14. Cuticle and dermal cells © Berkshire Community College Bioscience Image Library is licensed under a Public Domain license
- Figure 2.15. Epidermus Zea mays © Berkshire Community College Bioscience Image Library is licensed under a Public Domain license
- Figure 2.16. Sunflower leaf stomate © Louisa Howard adapted by Sean Bellairs is licensed under a Public Domain license
- Figure 2.17. Trichomes and stomata © Louisa Howard is licensed under a Public Domain license
- Figure 2.18. Stomata across Tradescantia pallida © BlueRidgeKitties is licensed under a CC BY-NC-SA (Attribution NonCommercial ShareAlike) license
- Figure 2.19. Stomata © Sean Bellairs is licensed under a CC BY-SA (Attribution ShareAlike) license