Origin,composition, and function of secretions from pyriform organs and internal sacs of four settling cheilo-ctenostome bryozoan larvae |
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| Authors: | M J Loeb G Walker |
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| Institution: | (1) NERC Unit, Marine Science Laboratories, University College of North Wales, Menai Bridge, Gwynedd, North Wales, UK;(2) Department of Biology, Western Maryland College, 21157 Westminister, Md., USA |
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| Abstract: | Settling larvae of the bryozoans Flustrellida hispida, Flustra foliacea, Alcyonidium polycum, and Bugula neritina exhibit a common behavioral pattern. A settlement site is selected after initial exploration, and temporary attachment is accomplished with a sticky acid mucopolysaccharide secretion exuded from the pyriform organ. Permanent attachment is accomplished by acid mucopolysaccharide and protein secretions of the everted internal sac. |
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