Definitions for "Jacobson's organ"
An organ for detecting odour. The organ is located in the roof of the mouth.
Also called the vomeronasal organ. The Jacobson's organ is a sensory organ located in the roof of the mouth which analyzes scent molecules collected from environmental objects. Iguanas toungue-flick objects to pick up these molecules, which are then transfered to the Jacobson's organ when the tongue brushes against it. The Jacobson's organ probably picks up a combination of scent and taste information from the environment.
chemically sensitive organ in the mouth that is used with the tongue to detect smells
Olfactory receptor present in most reptiles; blind-ending sacs that open through the secondary palate into the mouth cavity; they are used to sample airborne chemicals.
This is a specialization that amphibians possess that is intended to assist them in finding food. Chemical signals from the environment are brought in through openings in the face and are collected in the Jacobson's organs' blind sacs where the recognition process begins.