vomeronasal

Many vomeronasal neurons are activated by chemicals in urine.

Vomeronasal sensory neurons also show remarkably slow adaptation and the firing rate increases with increasing current up to 10 pA.

Using it's vomeronasal organ, also called Jacobson's organ, the snake can detect parvalbumins in the cutaneous mucus of its prey.

At the dorsal and ventral aspect of the lumen are vomeronasal glands, which fill the vomeronasal lumen with fluid.

Vomeronasal sensory neurons are extremely sensitive and fire action potentials at currents as low as 1 p A. Many patch-clamp recordings have confirmed the sensitivity of the vomeronasal neurons.

In 1994, physiologists tested vomeronasal organs with chemical extracts from human skin and found that the organ's nerve cells responded and that, correspondingly, the "heart rate, respiration, pupil size and skin temperature in the owner of the nose" all changed.