{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2023,11,13]],"date-time":"2023-11-13T00:35:52Z","timestamp":1699835752031},"reference-count":38,"publisher":"Wiley","issue":"4","license":[{"start":{"date-parts":[[2004,10,9]],"date-time":"2004-10-09T00:00:00Z","timestamp":1097280000000},"content-version":"vor","delay-in-days":10648,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Comparative Neurology"],"published-print":{"date-parts":[[1975,8,15]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The fine structure of the superficial layer of the optic tectum of the pigeon, <jats:italic>Columba livia<\/jats:italic>, has been examined both in normal animals and after unilateral eye removal. Optic afferent terminals distributed throughout sublaminae IIa\u2010f, are principally concentrated at three depths in the retinoreceptive zone. At first, degeneration of optic afferent terminals occurs as swelling of synaptic vesicles and accumulation of neurofilaments and later as dense degeneration. There appear to be several classes of optic afferent terminals in the retino\u2010receptive zone, as would be expected from most previous studies of the avian tectum. The non\u2010optic components of the neuropil, which include glomerular and pleomorphic vesicle terminals, and the synaptic interrelationships between optic and non\u2010optic components are described. Optic afferent terminals mainly make synaptic contact with the branches of radial dendrites but also, in sublaminae IIb and IIc, with the dendrites of non\u2010radial cells. In sublamina IIc afferent terminals synapse onto the horizontal presynaptic dendrites of spindle cells and triplet synaptic arrays including optic afferent terminals, horizontal dendrites and radial dendrite profiles and radial dendrite profiles are found. This optic projection to non\u2010radial elements in IIb, c is discussed in relation to light microscope and electrophysiological studies.<\/jats:p>","DOI":"10.1002\/cne.901620404","type":"journal-article","created":{"date-parts":[[2005,1,1]],"date-time":"2005-01-01T23:27:23Z","timestamp":1104622043000},"page":"447-465","source":"Crossref","is-referenced-by-count":51,"title":["An electron microscope study of the retino\u2010receptive layers of the pigeon optic tectum"],"prefix":"10.1002","volume":"162","author":[{"given":"B. P.","family":"Hayes","sequence":"first","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"K. E.","family":"Webster","sequence":"additional","affiliation":[],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"311","published-online":{"date-parts":[[2004,10,9]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(71)90437-9"},{"key":"e_1_2_1_3_1","first-page":"337","article-title":"Sur la fine structure du lobe optique des oiseaux et sur l'origine r\u00e9elle des nerfs optiques","volume":"8","author":"Cajal S. R.","year":"1891","journal-title":"Int. Mschr. Anat. Physiol."},{"key":"e_1_2_1_4_1","volume-title":"Histologie du Syst\u00e8me Nerveux","author":"Cajal S. R.","year":"1911"},{"key":"e_1_2_1_5_1","first-page":"344","volume-title":"Essays on the Nervous System: a Festschrift for J. Z. Young","author":"Colonnier M.","year":"1974"},{"key":"e_1_2_1_6_1","first-page":"545","article-title":"An experimental study of the avian visual system","volume":"95","author":"Cowan W. M.","year":"1961","journal-title":"J. Anat. (London)"},{"key":"e_1_2_1_7_1","first-page":"292","article-title":"The optic tectum of Gallus domesticus: a correlation of the electrical responses with the histological structure","volume":"88","author":"Cragg B. G.","year":"1954","journal-title":"J. Anat. (London)"},{"key":"e_1_2_1_8_1","doi-asserted-by":"publisher","DOI":"10.1016\/0006-8993(73)90328-4"},{"key":"e_1_2_1_9_1","doi-asserted-by":"crossref","first-page":"605","DOI":"10.1242\/jcs.6.2.605","article-title":"Enlarged synaptic vesicles as an early sign of secondary degeneration in the optic nerve terminals of the pigeon","volume":"6","author":"Cu\u00e9nod M.","year":"1970","journal-title":"J. Cell Sci."},{"key":"e_1_2_1_10_1","first-page":"193","article-title":"A study of silver degeneration methods in the central nervous system","volume":"90","author":"Evans D. H. L.","year":"1956","journal-title":"J. Anat. 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Brain Res."},{"key":"e_1_2_1_27_1","first-page":"389","article-title":"A Golgi analysis of the optic tectum of the Mallard duck","volume":"12","author":"O'Flaherty J. J.","year":"1970","journal-title":"J. Hirnforsch."},{"key":"e_1_2_1_28_1","doi-asserted-by":"crossref","first-page":"347","DOI":"10.1242\/jcs.9.2.347","article-title":"The neuropil of the glomeruli of the olfactory bulb","volume":"9","author":"Pinching A. J.","year":"1971","journal-title":"J. Cell Science"},{"key":"e_1_2_1_29_1","first-page":"151","article-title":"Nouvelles donn\u00e9es sur les projections visuelles chez le pigeon (Columba livia)","volume":"14","author":"Rep\u00e9rant J.","year":"1973","journal-title":"J. Hirnsforsch"},{"key":"e_1_2_1_30_1","first-page":"261","article-title":"Degeneration of optic nerve terminals in the frog tectum","volume":"114","author":"Scott T. M.","year":"1973","journal-title":"J. Anat. 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