Clusters of iron-rich cells in the upper beak of pigeons are macrophages not magnetosensitive neurons

Christoph Daniel Treiber, Marion Claudia Salzer, Johannes Riegler, Nathaniel Edelman, Cristina Sugar, Martin Breuss, Paul Pichler, Herve Cadiou, Martin Saunders, Mark Lythgoe, Jeremy Shaw and David Anthony Keays ()
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Christoph Daniel Treiber: Institute of Molecular Pathology
Marion Claudia Salzer: Institute of Molecular Pathology
Johannes Riegler: Centre for Advanced Biomedical Imaging (CABI), University College London (UCL), London WC1E 6DD, UK
Nathaniel Edelman: Institute of Molecular Pathology
Cristina Sugar: Institute of Molecular Pathology
Martin Breuss: Institute of Molecular Pathology
Paul Pichler: Institute of Molecular Pathology
Herve Cadiou: Université de Strasbourg, Institut des Neurosciences Cellulaires et Intégratives (INCI), CNRS UPR 3212, F-67084 Strasbourg, France
Martin Saunders: Centre for Microscopy, Characterisation and Analysis, The University of Western Australia
Mark Lythgoe: Centre for Advanced Biomedical Imaging (CABI), University College London (UCL), London WC1E 6DD, UK
Jeremy Shaw: Centre for Microscopy, Characterisation and Analysis, The University of Western Australia
David Anthony Keays: Institute of Molecular Pathology

Nature, 2012, vol. 484, issue 7394, 367-370

Abstract: Birds have been thought to have a magnetic sensing system consisting of magnetite-containing dendrites in the upper beak; a comprehensive anatomical characterization in pigeons now shows that the iron-rich cells in the beak are in fact macrophages not magnetosensitive neurons.

Date: 2012
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DOI: 10.1038/nature11046

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