H4I1S1T1O1G2E1N1S1
13 points
HISTOGENS is validvalid
HISTOGEN, interior plant tissue [n]
HISTOGEN, a more or less well-defined region within a plant where tissues undergo differentiation [n]
HISTOGEN, interior plant tissue [n]
HISTOGEN, a more or less well-defined region within a plant where tissues undergo differentiation [n]