Organization of the superficial neuromast system in goldfish, Carassius auratus

Journal of Morphology
Anke SchmitzJoachim Mogdans

Abstract

Distribution, morphology, and orientation of superficial neuromasts and polarization of the hair cells within superficial neuromasts of the goldfish (Carassius auratus) were examined using fluorescence labeling and scanning electron microscopy. On each body side, goldfish have 1,800-2,000 superficial neuromasts distributed across the head, trunk and tail fin. Each superficial neuromast had about 14-32 hair cells that were arranged in the sensory epithelium with the axis of best sensitivity aligned perpendicular to the long axis of the neuromast. Hair cell polarization was rostro-caudal in most superficial neuromasts on trunk scales (with the exception of those on the lateral line scales), or on the tail fin. On lateral line scales, the most frequent hair cell polarization was dorso-ventral in 45% and rostro-caudal in 20% of the superficial neuromasts. On individual trunk scales, superficial neuromasts were organized in rows which in most scales showed similar orientations with angle deviations smaller than 45 degrees . In about 16% of all trunk scales, groups of superficial neuromasts in the dorsal and ventral half of the scale were oriented orthogonal to each other. On the head, most superficial neuromasts were arranged in row...Continue Reading

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Citations

Aug 6, 2009·Die Naturwissenschaften·Ines Eva Nauroth, Joachim Mogdans
Nov 1, 2006·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Boris P ChagnaudJoachim Mogdans
May 16, 2007·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Boris P ChagnaudMichael H Hofmann
Nov 27, 2008·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Joachim Mogdans, Susanne Geisen
Apr 21, 2011·Journal of Comparative Physiology. A, Neuroethology, Sensory, Neural, and Behavioral Physiology·Kai Voges, Horst Bleckmann
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