Microampullary organs of a freshwater eel-tailed catfish, Plotosus (tandanus) tandanus

Whitehead, D. L., Tibbetts, I. R. and Daddow, L. Y. M. (2003) Microampullary organs of a freshwater eel-tailed catfish, Plotosus (tandanus) tandanus. Journal of Morphology, 255 2: 253-260. doi:10.1002/jmor.10063

Author Whitehead, D. L.
Tibbetts, I. R.
Daddow, L. Y. M.
Title Microampullary organs of a freshwater eel-tailed catfish, Plotosus (tandanus) tandanus
Journal name Journal of Morphology   Check publisher's open access policy
ISSN 0362-2525
Publication date 2003-01-01
Year available 2003
Sub-type Article (original research)
DOI 10.1002/jmor.10063
Open Access Status Not yet assessed
Volume 255
Issue 2
Start page 253
End page 260
Total pages 8
Place of publication New York, USA
Publisher Wiley-Liss
Language eng
Subject C1
270503 Animal Anatomy and Histology
630300 Fish
780105 Biological sciences
Abstract Whole body studies of Plotosus tandanus revealed that ampullary pores occur over the entire body of the fish, but are in higher concentrations in the head region. These pores give rise to a short canal (50-60 mum) produced by columnar epithelial cells bound together by tight junctions and desmosomes. At the junction. of the canal and the ampulla, cuboidal epithelial cells make up the wall. The ampulla consists of layers of collagen fibers that surround flattened epithelial cells in the lateral regions and give rise to supportive cells-that encase a small number of receptor cells (10-15). The ampullary wall comprises several types of cells that are adjoined via tight junctions and desmosomes between cell types. The ovoid receptor cells possess microvilli along the luminar apical area. Beneath this area, the cells are rich in mitochondria and rough endoplasmic reticulum. An unmyelinated neuron adjoins with each receptor cell opposite multiple presynaptic bodies. This form of microampulla has not been previously described within the Family Plotosidae. (C) 2002 Wiley-Liss, Inc.
Keyword Anatomy & Morphology
Ampullary Organs
Salmontail Catfish
Ampullary Organ
Q-Index Code C1
Institutional Status UQ

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Created: Wed, 15 Aug 2007, 05:07:08 EST