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Chemical Senses 2004 29(8):693-696; doi:10.1093/chemse/bjh073
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Chemical Senses Vol. 29 No. 8 © Oxford University Press 2004; all rights reserved

High-resolution Magnetic Resonance Spectroscopy of the Mouse Vomeronasal Organ

Carla Mucignat1, Donatella Benati2, Claudia Righetti2 and Carlo Zancanaro2

1 Department of Anatomy and Physiology, University of Padua, Via Marzolo, I-35100 Padova, Italy and 2 Department of Morphological and Biomedical Sciences, Anatomy and Histology Section, University of Verona, Strada Le Grazie, I-37134 Verona, Italy

Correspondence to be sent to: Carlo Zancanaro, Sezione di Anatomia e Istologia, Strada Le Grazie, 8 I-37134 Verona, Italy. e-mail: carlo.zancanaro{at}univr.it

The chemical composition of the vomeronasal organ (VNO) was investigated by means of in vitro proton magnetic resonance spectroscopy (MRS) in prepubertal and adult mice of both sexes. Results demonstrate that MRS detects several chemical constituents in the VNO, showing their age- and sex-associated changes in concentration. Preliminary experiments also suggest the ability of MRS to show compositional changes in the VNO after pheromonal stimulation. MRS can serve as a useful technique to investigate vomeronasal chemoreception.

Key words: accessory olfactory system, analysis, chemoreception, composition, major urinary protein, sex


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