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Early stages in the recovery to injury in the dorsal fin of the Atlantic Cod (Gadus morhua)
Townsley, P.M.; Hughes, M.L. (1964). Early stages in the recovery to injury in the dorsal fin of the Atlantic Cod (Gadus morhua). J. Fish. Res. Bd. Can. 21(2): 347-354
In: Journal of the Fisheries Research Board of Canada. The Fisheries Research Board of Canada: Toronto. ISSN 0015-296x, more
Peer reviewed article  

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Keyword
    Gadus morhua Linnaeus, 1758 [WoRMS]

Authors  Top 
  • Townsley, P.M.
  • Hughes, M.L.

Abstract
    The early stages in the recovery of the dorsal fin of the Atlantic cod (Gadus morhua) to a "clean cut injury" are described. It is concluded that the observed rapid epidermal migration, wound closure and cell mitosis are essentially the same in in-vivo as in in-vitro experiments. An accumulation of carbohydrate material occurs in the outermost layer of epidermal cells. There is a change in the carbohydrate composition or structure in the dermal layers at the site of injury. The basal epidermal cells rapidly divide in the in-vitro culture whereas only those basal epidermal cells in an in-vivo injury in close proximity to the injury divide. The surrounding nutrient medium in in-vitro cultures does not appear to be involved in the initial cell migration. However, ascorbic acid does stimulate epidermal migration, mucous secretion, and basal epidermal cell mitosis.

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