In article <mike.lowndes-2103961243440001 at mac3.anat.ox.ac.uk>,
mike.lowndes at anat.ox.ac.uk says...
>It depends what you mean by 'smell'. Pheremones may work via olfactory
>receptors but may not have an odour. Pheremones are small molecules that
>should diffuse through mucus.
>Also, in other species, the amount of pheremone necessary to trigger a
>response is far below what would be thought of as an odour by humans,
cos
>we have a poor sense of smell.
>Anyone seen any experimental evidence?
Yes.
Monti-Bloch et al (1995) The human vomeronasal system.
Psychoneuroendocrinology 19: 673-686. "...the adult human VNO is a
functional chemosensory organ with a sexually dimorphic specificity and
the ability to transduce signals which modulate certain autonomic
parameters."
Jim Kohl
author--The Scent of Eros: Mysteries of Odor in Human Sexuality