The wound healing and haemocyte response in the skin of the lesser octopus Eledone cirrhosa (Mollusca: Cephalopoda) in the presence of Vibrio tubiashii

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Abstract

The sequential response of wound closure in the skin of the lesser octopus Eledone cirrhosa is described following experimentally induced infections by the Gram-negative bacterium, Vibrio tubiashii. Results show that the post-infection healing response varied considerably from the response observed in non-infected wounds reported previously. Prominent among the findings was the much more extensive haemocyte response noted throughout healing when compared with non-infected wounds. In addition, there was a generalized inhibition of epidermal migration so that wound closure was never completed during the experiment. The presence of a ‘double tier’ amorphous zone was evident at certain stages of the healing response and the implications of this finding in relation to post-infection wound closure is discussed.

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