{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,9]],"date-time":"2026-10-09T02:01:40Z","timestamp":1791511300254,"version":"4.3.4"},"reference-count":29,"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":7964,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["J of Comparative Neurology"],"published-print":{"date-parts":[[1982,12,20]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>The mitral cell in the olfactory bulb of the goldfish was examined by means of light microscopy, high\u2010voltage electron microscopy, and conventional electron microscopy.<\/jats:p><jats:p>Mitral cells are located rather diffusely throughout the glomerular and plexiform layers. They do not make their own discrete layer. The cell bodies are rounded or triangular, and are about 10\u201325 \u03bcm in diameter. In Golgi\u2010impregnated material, thick cylindrical dendrites can be seen arising from the cell bodies and branching in the glomerular layer. Dendritic branches of some cells make two or more rather compact tufts, while the dendrites of other cells intermingle loosely with one another.<\/jats:p><jats:p>In semithin and thin sections, darkly stained nodules appear to be scattered diffusely in the glomerular layer without clustering into discrete spheres, which are characteristic of the mammalian glomerulus. Hence, instead of the glomerulus, the \u201cglomerular area\u201d is defined as an area consisting of darkly stained nodules with rather pale granular regions surrounding them. Branches of mitral cell dendrites in the glomerular area consist of cylindrical shafts and irregular appendages arising from them. The shafts appear in the pale granular region and the appendages are found in the darkly stained nodules.<\/jats:p><jats:p>Synapses can be found on all parts of the mitral cell: the soma, axon hillock, axon initial segment, thick dendritic stems, and dendritic branches. The abundance of synapses seems to vary considerably from part to part, and is highest on the dendritic branches in the glomerular area. The mitral cell is postsynaptic to olfactory nerve terminals and granule cell dendrites, and presynaptic to granule cell dendrites and some processes of unknown origin. Olfactory nerve terminals make asymmetrical synapses specifically on the appendages of the dendritic branches. Of the synapses on the shafts of the mitral cell dendritic branches in the glomerular area, 90% are with granule cell dendrites. Of the synapses between two different kinds of processes 30% are mitral\u2010to\u2010granule asymmetrical synapses, 20% are granule\u2010to\u2010mitral symmetrical synapses, and 50% are reciprocal pairs. Gap junctions and mixed synapses are also seen on branches of mitral cell dendrites.<\/jats:p><jats:p>Features of the goldfish mitral cell are compared with those of the mammal. The differences in neuronal organization between the olfactory bulbs of teleosts and mammals are discussed.<\/jats:p>","DOI":"10.1002\/cne.902120405","type":"journal-article","created":{"date-parts":[[2004,12,28]],"date-time":"2004-12-28T20:02:08Z","timestamp":1104264128000},"page":"365-384","source":"Crossref","is-referenced-by-count":43,"title":["Structure of the mitral cell in the olfactory bulb of the goldfish <i>(Carassius auratus)<\/i>"],"prefix":"10.1002","volume":"212","author":[{"given":"Toshio","family":"Kosaka","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Kiyoshi","family":"Hama","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2004,10,9]]},"reference":[{"key":"e_1_2_1_2_1","doi-asserted-by":"publisher","DOI":"10.1111\/j.1469-185X.1953.tb01376.x"},{"key":"e_1_2_1_3_1","first-page":"177","volume-title":"Taste and Smell in Vertebrates, A Ciba Foundation Symposium","author":"Andres K. 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