pubmed-article:14326105 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:14326105 | lifeskim:mentions | umls-concept:C1882864 | lld:lifeskim |
pubmed-article:14326105 | lifeskim:mentions | umls-concept:C2603343 | lld:lifeskim |
pubmed-article:14326105 | lifeskim:mentions | umls-concept:C0181845 | lld:lifeskim |
pubmed-article:14326105 | pubmed:dateCreated | 1965-11-1 | lld:pubmed |
pubmed-article:14326105 | pubmed:abstractText | Explants prepared from 17- to 18-day fetal rat spinal cord were allowed to mature in culture; such preparations have been shown to differentiate and myelinate in vitro (61) and to be capable of complex bioelectric activity (14-16). At 23, 35, or 76 days, the cultures were fixed (without removal from the coverslip) in buffered OsO(4), embedded in Epon, sectioned, and stained for light and electron microscopy. These mature explants generally are composed of several strata of neurons with an overlying zone of neuropil. The remarkable cytological similarity between in vivo and in vitro nervous tissues is established by the following observations. Cells and processes in the central culture mass are generally closely packed together with little intervening space. Neurons exhibit well developed Nissl bodies, elaborate Golgi regions, and subsurface cisternae. Axosomatic and axodendritic synapses, including synaptic junctions between axons and dendritic spines, are present. Typical synaptic vesicles and increased membrane densities are seen at the terminals. Variations in synaptic fine structure (Type 1 and Type 2 synapses of Gray) are visible. Some characteristics of the cultured spinal cord resemble infrequently observed specializations of in vivo central nervous tissue. Neuronal somas may display minute synapse-bearing projections. Occasionally, synaptic vesicles are grouped in a crystal-like array. A variety of glial cells, many apparently at intermediate stages of differentiation, are found throughout the otherwise mature explant. There is ultrastructural evidence of extensive glycogen deposits in some glial processes and scattered glycogen particles in neuronal terminals. This is the first description of the ultrastructure of cultured spinal cord. Where possible, correlation is made between the ultrastructural data and the known physiological properties of these cultures. | lld:pubmed |
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pubmed-article:14326105 | pubmed:language | eng | lld:pubmed |
pubmed-article:14326105 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:14326105 | pubmed:citationSubset | OM | lld:pubmed |
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pubmed-article:14326105 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:14326105 | pubmed:month | Feb | lld:pubmed |
pubmed-article:14326105 | pubmed:issn | 0021-9525 | lld:pubmed |
pubmed-article:14326105 | pubmed:author | pubmed-author:PETERSONE RER | lld:pubmed |
pubmed-article:14326105 | pubmed:author | pubmed-author:BUNGEM BMB | lld:pubmed |
pubmed-article:14326105 | pubmed:author | pubmed-author:BUNGER PRP | lld:pubmed |
pubmed-article:14326105 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:14326105 | pubmed:volume | 24 | lld:pubmed |
pubmed-article:14326105 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:14326105 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:14326105 | pubmed:pagination | 163-91 | lld:pubmed |
pubmed-article:14326105 | pubmed:dateRevised | 2010-6-22 | lld:pubmed |
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pubmed-article:14326105 | pubmed:year | 1965 | lld:pubmed |
pubmed-article:14326105 | pubmed:articleTitle | AN ELECTRON MICROSCOPE STUDY OF CULTURED RAT SPINAL CORD. | lld:pubmed |
pubmed-article:14326105 | pubmed:publicationType | Journal Article | lld:pubmed |
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