| Answer | Crossword Clue |
|---|---|
| metaxylem | a part of the primary xylem |
| metaxylems | METAXYLEM, a part of the primary xylem |
| exarch | (of a primary xylem or root) developing from the center; having the youngest cells closest to the core |
| endarchy | (of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core |
| endarch | (of a primary xylem or root) developing from the periphery; having the oldest cells closest to the core |
| mesarch | (of a primary xylem or root) developing from both the periphery and the center; having the older cells surrounded by the younger cells |
