Cell Modifications and Adaptations
Table of Contents
Definition
- Specialized cellular modifications are alterations in cells that distinguish them from one another.
- Cellular modifications are commonly found in eukaryotic cells, where there is a need for cell specialization.
Microvilli
- Greek word mikros, "small"
- Latin term villus, "hair"
- folds of the cell membrane that extend outward from the surface of certain cells.
- specialized for absorption, such as the digestive tract or kidneys.
- increase the surface area of the cell membrane, thus allowing for more materials to be absorbed into the cell at a quicker rate.
Root hairs
- found at the root tips
- increase the surface area of a root.
- absorb most of their water and nutrients.