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]WordNet (r) 3.0 (2006):
dendritic adj 1: (neuroscience) of or relating to or resembling a dendrite; "dendritic fiber"