Hatching glands in cephalopods – A comparative study |
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| Authors: | Norbert Cyran Yannick Staedler Jürg Schönenberger Waltraud Klepal Janek von Byern |
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| Institution: | 1. Core Facility Cell Imaging and Ultrastructural Research, Faculty of Life Sciences, University of Vienna, Vienna, Austria;2. Department of Structural and Functional Botany, Faculty Centre of Biodiversity, University of Vienna, Vienna, Austria;3. Center for Integrative Bioinformatics Vienna, Max F Perutz Laboratories, University of Vienna, Medical University of Vienna, University of Veterinary Medicine, Vienna, Austria |
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| Abstract: | Hatching of embryos from their eggs involves either mechanical and/or chemical support. In particular enzymes are widely used in the animal kingdom to weaken the egg layers and facilitate the embryo's escape. Although numerous morphological and biochemical studies exist on the hatching glands of invertebrates (such as sea urchins, ascidians, insects) and vertebrates (teleosts, amphibians, and mammals), little is known about the morphology of the hatching glands (Hoyle organs) in cephalopod hatchlings. |
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| Keywords: | Hoyle organ Hatching gland Digestive gland Cephalopoda Embryonic development |
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