Homodromal
Homodromal , adjective
[Homo- + Greek {not transcribed} a course, running.]
1.
(Botany) Running in the same direction; -- said of stems twining round a support, or of the spiral succession of leaves on stems and their branches.
2.
(Mechanics) Moving in the same direction; -- said of a lever or pulley in which the resistance and the actuating force are both on the same side of the fulcrum or axis.
Also: Homodromous