| A | B |
|---|
| taproot | primary root found in some plants that grows longer and thicker than other roots |
| fibrous root | part of a root system in which roots branch to such an extent that no single root grows larger than the rest |
| root hair | tiny projection from the outer surface of a root |
| cortex | spongy layer of ground tissue just inside the epidermis of a root |
| endodermis | layer of cells that completely encloses vascular tissue |
| vascular cylinder | central region of a root that includes vascular tissue |
| root cap | tough structure that protects a root as it forces it way through the soil |
| Casparian strip | waterproof strip that surrounds plant endodermis cells |
| root pressure | forces water through the vascular cylinder and into the xylem |
