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Histopathological changes induced in the gill of an, estuarine mullet, Liza parsia, by sublethal exposure to mercuric chloride

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Relation http://eprints.cmfri.org.in/243/
 
Title Histopathological changes induced in the gill of
an, estuarine mullet, Liza parsia, by sublethal
exposure to mercuric chloride
 
Creator Pandey, A K
George, K C
Peer Mohamed, M
 
Subject Fish Pathology
 
Description Sublethal exposure of Liza parsia to HgCl, (0.5 ppm) elicited erratic swimming
pattern, loss of equilibrium and respiratory distress during the initial 24 hrs.
On day 2, copious secretion of mucus, swelling (hypertrophy) and vacuolization
of the epithelial lining cells of secondary gill lamellae were noticed. Oedema
and oedematous separation of epidermis from the basement membrane as well
as necrosis and desquamation of epithelial cells were observed by day 4.
Oedematous changes, particularly at the base of primary lamellae, tissue
hyperplasia and fusion of secondary gill lamellae were seen on day 8 of the
treatment. Extensive cellular hyperplasia, desquamation of epithelial cells,
congestion of blood vessels and lamellar telangectases (aneurysms) were
frequently encountered on day 10 and the entire interlamellar spaces became
filled with the hyperplastic epithelium by day 15 of HgC1, intoxication.
 
Publisher CMFRI/ICAR
 
Date 1996
 
Type Article
PeerReviewed
 
Format application/pdf
 
Language en
 
Identifier http://eprints.cmfri.org.in/243/1/Article_11.pdf
Pandey, A K and George, K C and Peer Mohamed, M (1996) Histopathological changes induced in the gill of an, estuarine mullet, Liza parsia, by sublethal exposure to mercuric chloride. Indian Journal of Fisheries, 43 (3). pp. 285-292.