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The vomeronasal organ (VNO), or Jacobson's organ, is the paired auxiliary olfactory (smell) sense organ located in the soft tissue of the nasal septum, in the nasal cavity just above the roof of the mouth (the hard palate) in various tetrapods. [1]
The Jacobson’s organ (also called vomeronasal organ) is a chemoreception organ that is part of the olfactory system of amphibians, reptiles, and mammals. It consists of a patch of sensory cells within the main nasal chamber that detects heavy moisture-borne odor particles.
May 17, 2018 · In humans, the vomeronasal organ (VNO), also known as (Jacobson’s) organ is an accessory olfactory organ situated on the anteroinferior third of the nasal septum [1]. It consists of a blind sac with a duct opening anteriorly, both supplied with a rich vascular and glandular network.
Aug 6, 2018 · In mammals, Jacobson's organ is used not simply to identify minute quantities of chemicals, but also for subtle communication between other members of the same species, through the emission and reception of chemical signals called pheromones.
Nov 1, 1998 · The vomeronasal organ is a chemosensory organ for pheromones in many vertebrates. It was discovered by Jacobson in 1813 and has a dual innervation and a specific bulb.
Jun 1, 2021 · In this video, we explore the mechanism of pheromones by examining the structure, function, and pathway to the brain for Jacobson’s organ aka the vomeronasal...
The vomeronasal organ is a chemosensory system involved in social and reproductive behaviors in vertebrates. It is located at the base of the septum on the vomer bone and has a sensory epithelium and a pumping mechanism for mucus flushing.
