It is currently hypothesized that long range chemorepulsion involves initiation of the Arachidonic acid pathway upon netrin-1 interaction with the DCC/UNC-5 complex.

Her ordeal in the Underworld at Hades' hands involves bondage, whipping, and sexual initiation (the "passion" of the title), which leads to her awakening as the only Goddess capable of restoring life to the Spectres of the Underworld.

The typical safe take-off profile will involve initiation of forward flight from a low hover, only gaining height as airspeed approaches a safe autorotative speed but keeping above the lower right area of the H-V curve.

Mr. Bly is somewhat more systematic in his advice, offering his readers a kind of eight-step program - involving initiation through the various stages of male growth - for achieving a vigorous and emotionally centered masculinity.

She had not noticed that I was reversed, and I made up such a lovely lie for my scar, involving initiation into a secret society within a tribe I had recently fielded, that I almost wished I had written it down.

The first phase, or "wind up" involves initiation of the motion until the top of the back swing (TOB).