Procambium

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Procambium \Pro*cam"bi*um\, n. [NL. See {Pro-}, and {Cambium}.]
     (Bot.)
     The young tissue of a fibrovascular bundle before its
     component cells have begun to be differentiated. --Sachs.
     [1913 Webster]