释义 |
lateral root
lateral root[′lad·ə·rəl ′rüt] (botany) A root branch arising from the main axis. lateral root
lateral root or secondary root the branches that develop from deep inside the plant root (i.e. are ENDOGENOUS) where cells of the PERICYCLE become meristematic (see MERISTEM and produce a growing point which differentiates into mature tissues. Such branching occurs behind the root hair zone and is initiated by AUXIN. |