Pathological changes in the gill filaments of Acanthopagrus australis (family Sparidae) associated with the post-settlement growth of a lernaeopodid copepod, Alella macrotrachelus

Roubal F.R. (1989) Pathological changes in the gill filaments of Acanthopagrus australis (family Sparidae) associated with the post-settlement growth of a lernaeopodid copepod, Alella macrotrachelus. Journal of Fish Biology, 34 3: 333-342. doi:10.1111/j.1095-8649.1989.tb03316.x


Author Roubal F.R.
Title Pathological changes in the gill filaments of Acanthopagrus australis (family Sparidae) associated with the post-settlement growth of a lernaeopodid copepod, Alella macrotrachelus
Journal name Journal of Fish Biology   Check publisher's open access policy
ISSN 0022-1112
Publication date 1989
Sub-type Article (original research)
DOI 10.1111/j.1095-8649.1989.tb03316.x
Volume 34
Issue 3
Start page 333
End page 342
Total pages 10
Subject 1104 Complementary and Alternative Medicine
Abstract The extent of the histopathology associated with the attachment of post-settlement stages of the lernaeopodid copepod Alella macrotrachelus on the gills of Acanthopagrus australis was related to parasite size. Initial penetration of the attachment organ into the epithelium was associated with hyperplasia, oedema and accumulation of infiltrating cells in the immediate vicinity of the frontal filament or bulla. Adult parasites caused crypting and fusion of filaments with associated chronic inflammation. Penetration of the bulla into the connective tissue invoked fibroplasia and chondrocyte proliferation that enclosed the bulla. The bulla matured from the centre to the periphery by a condensation of the matrix into coarse fibrils. The bulla was delineated by a tri-laminar wall from the surrounding connective tissue fibrils.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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