Infrared Receptors and the Trigeminal Sensory System

Since the early 1950s, work has been undertaken on the infrared sensory organs of snakes by a handful of investigators around the world. Despite progress in uncovering the morphological, physiological and behavioral functions of these organs, study was discontinued by most of these workers. Not the least of the reasons was the fact that the infrared organs are possessed either by highly venomous s...