资料来源 : pyDict

分裂组织

资料来源 : Webster's Revised Unabridged Dictionary (1913)

Meristem \Mer"i*stem\, n. [Gr. ? divisible.] (Bot.)
   A tissue of growing cells, or cells capable of further
   division.

资料来源 : WordNet®

meristem
     n : undifferentiated tissue from which new cells are formed, as
         at the tip of a stem or root