Mercury and cadmium induced structural alterations in the taste buds of the fish Alburnus alburnus.

V. Borovyagin, L. Hernádi, J. Salánki

Research output: Contribution to journalArticle

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Abstract

The ultrastructural damages of the taste buds of the fish, Alburnus alburnus were studied after applying 0.05 microM and 0.5 microM mercury chloride as well as 0.1 microM and 1 microM cadmium chloride. The most conspicuous alterations were induced during the first week of heavy metal exposition. The main structural alterations are: 1) the swelling of sensory microvilli and cilia; 2) the extreme dilation of the rER tubules and nuclear membranes, which is most expressed after cadmium exposition; 3) the increase in the number of lysosomes and dens bodies, which is more expressed after mercury exposition; 4) the swelling of the innervating nerve fibres at the synaptic areas of the taste buds, especially after mercury exposition. The damaging processes induced by the applied dose of heavy metals did not increase after the first week of exposition. The taste buds showed regenerated structural appearance after two weeks of exposition to 1 microM CdCl2, while the evoked structural alterations could be detected even after two weeks of exposition to 0.5 microM HgCl2.

Original languageEnglish
Pages (from-to)237-254
Number of pages18
JournalActa Biologica Hungarica
Volume40
Issue number3
Publication statusPublished - 1989

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Alburnus alburnus
Taste Buds
palps
Mercury
Cadmium
bud
mercury
Fish
Cadmium Chloride
cadmium
Fishes
Heavy Metals
swelling
Swelling
heavy metals
fish
chloride
heavy metal
mercuric chloride
Mercuric Chloride

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)

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Mercury and cadmium induced structural alterations in the taste buds of the fish Alburnus alburnus. / Borovyagin, V.; Hernádi, L.; Salánki, J.

In: Acta Biologica Hungarica, Vol. 40, No. 3, 1989, p. 237-254.

Research output: Contribution to journalArticle

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