{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,12,31]],"date-time":"2025-12-31T06:21:46Z","timestamp":1767162106053,"version":"3.48.0"},"reference-count":46,"publisher":"The Royal Society","issue":"931","license":[{"start":{"date-parts":[[1976,4,29]],"date-time":"1976-04-29T00:00:00Z","timestamp":199584000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/royalsociety.org\/journals\/ethics-policies\/data-sharing-mining\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[1976,4,29]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>The anatomy of three neurosecretory cell types in the central nervous system (c.n.s.) of the gastropod mollusc Lymnaea stagnalis (L.) - the Dark Green Cells, Yellow Cells and Yellow-green Cells - has been studied by using bright and dark field illumination of material stained for neurosecretion by the Alcian Blue-Alcian Yellow technique. The neuronal geometry of single and groups of neurosecretory cells of the various types has been reconstructed from serial sections, and the likely destination of most of their processes has been determined. Dark Green Cells are monopolar, occur exclusively within the central nervous system (c.n.s.), have few or no branches terminating in neuropile, and send axons to the surface of the pleuro-parietal and pleuro-cerebral connectives. The majority of Dark Green Cell axons however (80- 85%), project down nerves which innervate ventral and anterior parts of the head-foot, the neck and the mantle. Dark Green Cell axons can be found in small nerves throughout these areas, and may terminate in a fine plexus of axons on the surfaces of the nerves. Since previous experimental work has shown that the Dark Green Cells are involved in osmotic or ionic regulation, these results suggest that the target organ of the Dark Green Cells may be the skin. Yellow Cells occur both within and outside the c.n.s. They are usually monopolar, but can be bipolar. They have several axons which normally arise separately from a single pole of the cell body, or close to it. One or more processes leave the cell proximal to the point where separate axons arise, and may run unbranched for some distance through neuropile before terminating in fine branches and blobs of various sizes. These branches may release hormone inside the c.n.s. Yellow-green Cells are mono-, bi- or multi-polar, and like the Yellow Cells are found both within and outside the c.n.s. Some Yellow-green Cells, though not all, have projections which terminate in neuropile in fine branches and blobs. Yellowgreen Cell bodies which occur in nerves can project back along the nerve into the c.n.s. The axons of Yellow Cells and Yellow-green Cells project to release sites in various ways. Some project into the connective tissue sheath of the c.n.s., which serves as a neurohaemal organ, either directly through the surface of a ganglion, or from the pleuro-cerebral or pleuro-parietal connectives. Other axons leave the c.n.s. via nerves leaving the left and right parietal and visceral ganglia; projections into the intestinal, anal, and internal right parietal nerves being most numerous. Axons which may be from either, or both Yellow Cells and Yellow-green Cells, can be found along the entire unbranched lengths of these nerves, and in subsequent branches which innervate organs lying in the anterior turn of the shell. All of these organs are closely associated with the lung cavity. The pattern of release of hormone which this arrangement implies may have been adopted to ensure a rapid distribution of hormone throughout the circulation following release, or to increase the concentration of hormone in blood flowing through target organs such as the kidney, lung walls or the heart.<\/jats:p>","DOI":"10.1098\/rstb.1976.0042","type":"journal-article","created":{"date-parts":[[2006,12,15]],"date-time":"2006-12-15T16:38:25Z","timestamp":1166200705000},"page":"169-202","source":"Crossref","is-referenced-by-count":38,"title":["The anatomy of neurosecretory neurones in the pond snail\n                    <i>Lymnaea stagnalis<\/i>\n                    (L)"],"prefix":"10.1098","volume":"274","author":[{"given":"N. V.","family":"Swindale","sequence":"first","affiliation":[{"name":"Ethology and Neurophysiology Group, School of Biological Sciences, University of Sussex, Falmer, Brighton, BN1 9QG"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"P. R.","family":"Benjamin","sequence":"additional","affiliation":[{"name":"Ethology and Neurophysiology Group, School of Biological Sciences, University of Sussex, Falmer, Brighton, BN1 9QG"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"175","reference":[{"key":"p_1","doi-asserted-by":"publisher","DOI":"10.1163\/002829668X00018"},{"key":"p_2","first-page":"167","article-title":"Features of the nervous system and heart of Archachatina revealed by the electron microscope and by electrophysiological recording. Proc. malac","volume":"35","author":"Baxter M. I.","year":"1963","journal-title":"Lond."},{"key":"p_3","doi-asserted-by":"publisher","DOI":"10.1163\/002829672X00176"},{"key":"p_4","doi-asserted-by":"publisher","DOI":"10.1007\/BF00330710"},{"key":"p_5","doi-asserted-by":"publisher","DOI":"10.1007\/BF00306989"},{"key":"p_6","doi-asserted-by":"publisher","DOI":"10.1038\/258622a0"},{"key":"p_7","unstructured":"Benjamin P. R. Swindale N. V. & Slade C. T. 1976 Electrophysiology of identified neurosecretory neurones in the pond snail Lymnaea stagnalis L. In Neurobiology of invertebrates III. (In the Press.) Budapest: Publishing House of the Hungarian Academy of Science."},{"key":"p_8","first-page":"325","article-title":"On the production of hormones by neurones and the role of neurosecretion in neuroendocrine mechanisms","volume":"20","author":"Bern H. A.","year":"1966","journal-title":"Biol."},{"key":"p_9","first-page":"1","article-title":"Morphology of the alimentary system of the snail Lymnaea stagnalis apressa","volume":"38","author":"Carriker M. R.","year":"1946","journal-title":"Say. Trans. Wis. Acad. 1 Set."},{"key":"p_10","doi-asserted-by":"crossref","unstructured":"Coggeshall R. E. Kandel E. R. Kupfermann I. & Waziri R. 1966 A morphological and functional study on a cluster of identifiable neurosecretory cells in the abdominal ganglion of Aplysia califomica. 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Physiol."},{"key":"p_21","doi-asserted-by":"publisher","DOI":"10.1007\/BF00376002"},{"key":"p_22","first-page":"1","article-title":"Dorsal bodies and dorsal neurosecretory cells of the cerebral ganglia of Lymnaea stagnalis (L.). Arch, neerl","volume":"16","author":"Joosse J.","year":"1964","journal-title":"Zool."},{"key":"p_23","first-page":"691","article-title":"Electrical properties of hypothalamic neuroendocrine cells. J. gen","volume":"47","author":"Kandel E. R.","year":"1964","journal-title":"Physiol."},{"key":"p_24","doi-asserted-by":"publisher","DOI":"10.1177\/12.4.309"},{"key":"p_25","first-page":"631","article-title":"Pleural ganglia and water balance in the freshwater pulmonate Lymnaea stagnalis. Proc. kon. ned","volume":"64","author":"Lever J.","year":"1961","journal-title":"Akad. Wet."},{"key":"p_26","unstructured":"Maddrell S. H. P. 1967 Neurosecretion in insects. In Insects andphysiology (ed. J. W. Beament & J. E. Treherne). 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In Neurobiology of invertebrates III Budapest: Publishing House of the Hungarian Academy of Sciences (In the Press)."},{"key":"p_41","first-page":"1","article-title":"Illustrated biomorphology of the `angulata' lake form of the basommatophoran snail Lymnaea catascopium Say","volume":"2","author":"Walter H.","year":"1969","journal-title":"Malacological Rev."},{"key":"p_42","doi-asserted-by":"crossref","unstructured":"Wendelaar Bonga S. E. 1970a Investigations on neurosecretion in the central and peripheral nervous system of the pulmonate snail Lymnaea stagnalis (L.). In Aspects of neuroendocrinology (ed. W. Bargmann & B. Scharrer) pp. 43-46. 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