释义 |
secondary meristem
secondary meristem[′sek·ən‚der·ē ′mer·ə‚stem] (botany) Meristem developed from differentiated living tissue. secondary meristem
secondary meristem an area ofcambial cells between xylem and phloem of roots and stems in DICOTYLEDONS. The MERISTEMS give rise to tissues causing lateral expansion or SECONDARY THICKENING. |