a. 树木状的

[医] 树状的

[ adj ]
resembling a tree in form and branching structure
<adj.all>
arborescent coral found off the coast of Bermudadendriform sponges

Arborescent \Ar`bo*res"cent\, a. [L. arborescens, p. pr. of
arborescere to become a tree, fr. arbor tree.]
Resembling a tree; becoming woody in stalk; dendritic; having
crystallizations disposed like the branches and twigs of a
tree. ``Arborescent hollyhocks.'' --Evelyn.