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Ultrastructure of the Stomach of Aphanius Dispar (Cyprinodontidae), With Special Reference to Stress from Starvation

Published online by Cambridge University Press:  02 July 2020

T. A. Ba-Omar  and
R. Victor
T. A. Ba-Omar
Affiliation:
Department of Biology, College of Science, Sultan Qaboos University, P. O. Box 36 Postal Code 123, Muscat, Sultanate of Oman.
R. Victor
Affiliation:
Department of Biology, College of Science, Sultan Qaboos University, P. O. Box 36 Postal Code 123, Muscat, Sultanate of Oman.
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Extract

The effect of starvation on the mucosa of the Aphanius dispar stomach is investigated. The gastric erosion resulting from stress due to starvation over a period of 24 - 120 hours has been described at the ultrastructural level.

Specimens of A. dispar with a total length (TL) range of 30.4-46.3 mm, weighing from 0.43-0.70 gm were collected from Wadi Al-Khod, Sultanate of Oman (Lat. 23° 30’ N; Long. 58 ° 40'E). Thirty six fish were acclimatized for two weeks and were fed with Tetramin flakes, ad libitum, twice daily. Thirty of these fish were subsequently starved in a chamber separated from the six control fish that were fed normally in the same tank. Six starving fish were randomly sacrificed at 24, 48, 72, 96 and 120 hr intervals for histological studies. At the end of the experiment, the six control fish were also sacrificed. Stomachs were fixed and processed for TEM.

Type
Biological Structure (Cells, Tissues, Organ Systems)
Information
Microscopy and Microanalysis , Volume 6 , Issue S2: Proceedings: Microscopy & Microanalysis 2000, Microscopy Society of America 58th Annual Meeting, Microbeam Analysis Society 34th Annual Meeting, Microscopical Society of Canada/Societe de Microscopie de Canada 27th Annual Meeting, Philadelphia, Pennsylvania August 13-17, 2000 , August 2000 , pp. 886 - 887
Copyright
Copyright © Microscopy Society of America

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