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Feeding Responses To Sucrose in the Pond Snail Lymnaea Stagnalis After Nerve Section and Tentacle Amputation

Feeding Responses To Sucrose in the Pond Snail Lymnaea Stagnalis After Nerve Section and Tentacle... FEEDING RESPONSES TO SUCROSE IN THE POND SNAIL LYMNAEA STAGNALIS AFTER NERVE SECTION AND TENTACLE AMPUTATION by J. T. GOLDSCHMEDING and J. C. JAGER (Department of Biology, Free University, Amsterdam, The Netherlands) INTRODUCTION Many observations on the behaviour of aquatic gastropods have revealed the vital importance of chemoreception in the life of these animals. It plays a role in a great variety of activities such as mating, prey recognition, predator avoidance and feeding (for references see KOHN, 1961). However, our knowledge concerning the biological basis of these activities is definitely incomplete. Research on the structure and function of chemosensory elements is indeed difficult since various levels of organization (behavioural, morphological, physiological) are involved. Moreover, experimentation using methods such as destruc- tion of receptors or interruption of connections with the central nervous system is complicated due to the (anatomically) diffuse organization of the relevant sensory systems. Chemoreceptors do not occur exclu- sively in discrete sense organs. Observations on responses to food in lymnaeid snails showed that chemosensitivity is present over the whole skin, particularly at the frontal part of the body (PIERON, 1908; BOVBJERG, 1968). Recent ultrastructural studies (ZYLSTRA, 1972) on epidermal sensory cells in freshwater pulmonates (Lymnaea stagnalis, http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Netherlands Journal of Zoology Brill

Feeding Responses To Sucrose in the Pond Snail Lymnaea Stagnalis After Nerve Section and Tentacle Amputation

Jager, J.C.; Goldschmeding, J.T.
Netherlands Journal of Zoology , Volume 23 (1): 118 – Jan 1, 1972
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Publisher
Brill
Copyright
© 1972 Koninklijke Brill NV, Leiden, The Netherlands
ISSN
0028-2960
eISSN
1568-542X
DOI
10.1163/002829673X00238
Publisher site
See Article on Publisher Site

Abstract

FEEDING RESPONSES TO SUCROSE IN THE POND SNAIL LYMNAEA STAGNALIS AFTER NERVE SECTION AND TENTACLE AMPUTATION by J. T. GOLDSCHMEDING and J. C. JAGER (Department of Biology, Free University, Amsterdam, The Netherlands) INTRODUCTION Many observations on the behaviour of aquatic gastropods have revealed the vital importance of chemoreception in the life of these animals. It plays a role in a great variety of activities such as mating, prey recognition, predator avoidance and feeding (for references see KOHN, 1961). However, our knowledge concerning the biological basis of these activities is definitely incomplete. Research on the structure and function of chemosensory elements is indeed difficult since various levels of organization (behavioural, morphological, physiological) are involved. Moreover, experimentation using methods such as destruc- tion of receptors or interruption of connections with the central nervous system is complicated due to the (anatomically) diffuse organization of the relevant sensory systems. Chemoreceptors do not occur exclu- sively in discrete sense organs. Observations on responses to food in lymnaeid snails showed that chemosensitivity is present over the whole skin, particularly at the frontal part of the body (PIERON, 1908; BOVBJERG, 1968). Recent ultrastructural studies (ZYLSTRA, 1972) on epidermal sensory cells in freshwater pulmonates (Lymnaea stagnalis,

Journal

Netherlands Journal of Zoology – Brill

Published: Jan 1, 1972

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