pubmed-article:1184413 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:1184413 | lifeskim:mentions | umls-concept:C0039062 | lld:lifeskim |
pubmed-article:1184413 | lifeskim:mentions | umls-concept:C0017547 | lld:lifeskim |
pubmed-article:1184413 | lifeskim:mentions | umls-concept:C0475264 | lld:lifeskim |
pubmed-article:1184413 | lifeskim:mentions | umls-concept:C1149831 | lld:lifeskim |
pubmed-article:1184413 | lifeskim:mentions | umls-concept:C0038078 | lld:lifeskim |
pubmed-article:1184413 | pubmed:issue | 4 | lld:pubmed |
pubmed-article:1184413 | pubmed:dateCreated | 1976-1-29 | lld:pubmed |
pubmed-article:1184413 | pubmed:abstractText | The giant synapse of squid stellate ganglion is a chemical synapse where the transmitter substance is not known. The components of the ACh-system are present in squid nervous tissue in large quantities. However externally applied cholinergic drugs have no effect on junctional transmission. Using the Copper thiocholine method for electron microscopic cytochemistry the reaction product was found at the axolemmal surface, in the cisternae of the endoplasmic reticulum of neurons and occasionally between the infoldings of the sheat cells surounding the axons. Abundant deposits of end product are observed in the extracellular space in the proximity to junctional region. However, the localization of the cytochemical end product at the junctional region proper was observed frequently, but not consistently. Radiometric measurements of enzyme activity have revealed that neither specific inhibitors nor specific substrates generaly used for differentiation of cholinesterases in mammalian nervous tissue can be employed for differentiation of squid enzymes. Considering the permeability barriers imposed for external acetylcholine by cytoplasmic processes and the high enzyme activity of structures surrounding the giant synapse, the possibility that acetylcholine may still be a candidate for the missing transmitter is discussed. | lld:pubmed |
pubmed-article:1184413 | pubmed:language | eng | lld:pubmed |
pubmed-article:1184413 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1184413 | pubmed:citationSubset | IM | lld:pubmed |
pubmed-article:1184413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1184413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1184413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1184413 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:1184413 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:1184413 | pubmed:month | Jun | lld:pubmed |
pubmed-article:1184413 | pubmed:issn | 0301-5564 | lld:pubmed |
pubmed-article:1184413 | pubmed:author | pubmed-author:TennysonV MVM | lld:pubmed |
pubmed-article:1184413 | pubmed:author | pubmed-author:DettbarnW DWD | lld:pubmed |
pubmed-article:1184413 | pubmed:author | pubmed-author:BrzinMM | lld:pubmed |
pubmed-article:1184413 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:1184413 | pubmed:day | 9 | lld:pubmed |
pubmed-article:1184413 | pubmed:volume | 43 | lld:pubmed |
pubmed-article:1184413 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:1184413 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:1184413 | pubmed:pagination | 305-11 | lld:pubmed |
pubmed-article:1184413 | pubmed:dateRevised | 2006-11-15 | lld:pubmed |
pubmed-article:1184413 | pubmed:meshHeading | pubmed-meshheading:1184413-... | lld:pubmed |
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pubmed-article:1184413 | pubmed:meshHeading | pubmed-meshheading:1184413-... | lld:pubmed |
pubmed-article:1184413 | pubmed:year | 1975 | lld:pubmed |
pubmed-article:1184413 | pubmed:articleTitle | Cytochemical localization of cholinesterase activity at the giant synapse of the squid. | lld:pubmed |
pubmed-article:1184413 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:1184413 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |