arborise

To develop a tree-like appearance.

The nerve fibre arborises into multiple branches.

Either in the spinal medulla or in the brain stem the axons end by arborising round nerve-cells and the impulses which they convey are transferred to these upper neurones.

To cause (something) to develop a tree-like appearance.

Tall, wide shrubs take up a huge amount of space in a small garden, so remove the lower limbs to provide more space underneath. […] When you “arborize” the shrub by limbing it up, you’ll discover an elegant, multi-trunked structure […]

His seven-year-old brain fires and rewires, building arborized axons, dendrites, those tiny spreading trees.

To penetrate or fill (an area) with a tree-like structure.

The imitation neurones I am composed of agitate their dendrites like mad ganglia that arborize the system as the cell bodies dance along the axis cylinder within the fibres of the foot that isn’t there […]

The vessels penetrate the clavipectoral fascia […]. They then arborize the underside of the pectoralis major.