EFFECT CRUDE OIL ON GILL TISSUE OF COMMON CARP: EARLIEST STAGES OF EXPOSURE
Abstract
We present the results of investigation of the effects of crude oil from ‘Azery’ and ‘Oil Rocks’ deposits (concentration 500 mg/L) on the gill tissue of common carp after 1, 3, 6, 24, 48, 72 and 96 hours of exposure. In the first hours of exposure (1, 3 and 6 h), lifting of respiratory epithelium, hyperplasia of primary and secondary lamellae, oedema were observed. The further exposure to crude oil resulted in fusion of adjacent lamellae, blood stagnation, aneurism and necrosis. The obtained results show that the effects of crude oil induce the histology alterations in the gill tissue already in the first hours of exposure.
About the Author
S. . Abdulkerimova
A.I. Karaev Institute of Physiology, National Academy of Sciences of Azerbaijan
Russian Federation
Russian Federation
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