Regeneration time and morphology of the inhalant siphon of Donax denticulatus Linnaeus, 1758 (Bivalvia, Donacidae) after amputation.

Journal of Shellfish Research | August 1, 2004| | Copyright

ABSTRACT To study the process of regeneration and its effect on the morphology of the inhalant siphon of a tellineacean bivalve, Donax denticulatus, individuals were artificially amputated and placed in aquaria under laboratory conditions, in the absence of predators. Alter amputation, two individuals were sacrificed twice a day (9 AM and 5 PM) during a 9- day period, and their siphons were examined in the microscope. Within the first 24 hours after amputation, the process was slow, and only the rudiments of the primary tentacles were visible. However, between the second and ...

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