The risk of extrapolation in neuroanatomy: the case of the Mammalian vomeronasal system.

Frontiers in Neuroanatomy
Ignacio Salazar, Pablo Sanchez Quinteiro

Abstract

The sense of smell plays a crucial role in mammalian social and sexual behaviour, identification of food, and detection of predators. Nevertheless, mammals vary in their olfactory ability. One reason for this concerns the degree of development of their pars basalis rhinencephali, an anatomical feature that has been considered in classifying this group of animals as macrosmatic, microsmatic or anosmatic. In mammals, different structures are involved in detecting odours: the main olfactory system, the vomeronasal system (VNS), and two subsystems, namely the ganglion of Grüneberg and the septal organ. Here, we review and summarise some aspects of the comparative anatomy of the VNS and its putative relationship to other olfactory structures. Even in the macrosmatic group, morphological diversity is an important characteristic of the VNS, specifically of the vomeronasal organ and the accessory olfactory bulb. We conclude that it is a big mistake to extrapolate anatomical data of the VNS from species to species, even in the case of relatively close evolutionary proximity between them. We propose to study other mammalian VNS than those of rodents in depth as a way to clarify its exact role in olfaction. Our experience in this field le...Continue Reading

Citations

Jul 8, 2010·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Carla Mucignat-Caretta
Nov 22, 2013·ISRN Neurology·Jeffrey D Schall
Apr 23, 2013·Cell and Tissue Research·Laura M HuckinsGabriela Sánchez-Andrade
Jul 30, 2014·Frontiers in Neuroanatomy·Arthur W BarriosIgnacio Salazar
Sep 16, 2014·Frontiers in Neuroanatomy·Julien BrechbühlMarie-Christine Broillet
Apr 13, 2011·Microscopy Research and Technique·Ignacio Salazar, Pablo Sánchez-Quinteiro
Sep 13, 2014·Microscopy Research and Technique·Arthur William BarriosIgnacio Salazar
Sep 27, 2018·Chemical Senses·Julia MohrhardtMarc Spehr
Jun 26, 2020·Journal of Anatomy·Irene Ortiz-LealPablo Sanchez-Quinteiro
Sep 20, 2016·Journal of Morphology·Rachel Claire AlandAdrian J Bradley
Nov 20, 2012·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Ignacio SalazarPablo Sánchez-Quinteiro
Oct 27, 2016·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Ignacio SalazarPablo SáNchez-Quinteiro
Sep 27, 2018·Journal of Anatomy·Paula R VillamayorPablo Sanchez-Quinteiro
Aug 9, 2020·Scientific Reports·Mateo V TorresPablo Sanchez-Quinteiro
Jul 16, 2020·Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America·Anna Jinxia ZhangKwok-Yung Yuen
May 1, 2021·Animals : an Open Access Journal From MDPI·Violaine MechinPietro Asproni

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