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All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology
EDNA A AMPARADO
titute of Biology, University of the Philippines, Diliman, Quezon City,
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Veterinary

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HISTOPATHOLOGY OF THE TELENCEPHALON AND DIENCEPHALON OF T1LAPIA NILOTICA EXPOSED TO SUBLETHAL DOSE OF MALATHION S-[1,2-DI-(ETHOXYCARBONYL ETHYL) DIMETHYL PHOSPHOROTHIOLOTHIONATE] EDNA A AMPARADO
BIOTROPIA - The Southeast Asian Journal of Tropical Biology No. 5 (1992)
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (753.705 KB) | DOI: 10.11598/btb.1992.0.5.195

Abstract

A  35-day  exposure  of  Tilapia  nilotica  embryos  to  sublethal  doses  of  3.0  ppm  and  0.3  ppm malathion,  S-[l,2-di-(ethoxycarbonyl  ethyl)  dimethyl  phosphorothiolothionate],  commercial  grade,  EC  57, produces cellular and ultrastructure changes in the brain. A number of nuclear centers of the treated animals are markedly larger than those of the control. Aberrant features observed in day-45 embryos are the neoplastic masses and increased vascularization. Ultrastructure defects include the presence of nuclear blebs, cytoplasmic vacuolations and increased lysosomal bodies.
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