dendritic

from WordNet (r) 3.0 (2006)

dendritic
    adj 1: (neuroscience) of or relating to or resembling a
           dendrite; "dendritic fiber"

from The Collaborative International Dictionary of English v.0.48

Dendritic \Den*drit"ic\, Dendritical \Den*drit"ic*al\, a.
   Pertaining to a dendrite, or to arborescent crystallization;
   having a form resembling a shrub or tree; arborescent.
   [1913 Webster]