The image of the linga in the yoni teaches the lesson
that the tension between Shiva
is ultimately resolved
in interdependence. Parvati
as a sexual entity succeeds in
tempering both Shiva's excessive detachment from the world and
his excessive sexual vigor. In the form of the yoni in
fulfills and completes Shiva's creative
tendencies. As the great yogi who accumulates immense sexual
potency, he is symbolized by the linga. This great potency is
creatively released in sexual or marital contact with Parvati.
The ubiquitous image of the linga in the yoni symbolizes the
creative release in the ultimate erotic act of power stored
through asceticism. The erotic act is thus enhanced, made more
potent, fecund, and creative, by the stored up power of Shiva's
Here a snake with its upraised hood can be seen protecting the linga.
This description by Nitin Kumar, Executive Editor, Exotic India.