Aspects of the organization of neurons and dendritic bundles in primary somatosensory cortex of the rat

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Fältnamn	Indikatorer	Metadata
000		03528naa a2200409 4500
001		oai:gup.ub.gu.se/59963
003		SwePub
008		240528s2004 \| \|\|\|\|\|\|\|\|\|\|\|000 \|\|eng\|
024	7	a https://gup.ub.gu.se/publication/599632 URI
024	7	a https://doi.org/10.1016/j.neures.2004.06.0172 DOI
040		a (SwePub)gu
041		a eng
042		9 SwePub
072	7	a ref2 swepub-contenttype
072	7	a art2 swepub-publicationtype
100	1	a Skoglund, Thomas,d 1969u Gothenburg University,Göteborgs universitet,Institutionen för anatomi och cellbiologi,Institute of Anatomy and Cell Biology4 aut0 (Swepub:gu)xskoth
245	1 0	a Aspects of the organization of neurons and dendritic bundles in primary somatosensory cortex of the rat
264	1	b Elsevier BV,c 2004
520		a In order to analyze some aspects of the spatial organization in the primary somatosensory cortex of the rat, we have reconstructed the positions of bundles of apical dendrites and neurons in a cortical prisms measuring 0.5 mm x 0.4 mm x cortical thickness, with special reference to a hypothetical columnar organization. Complete series of semithin (0.65 microm) sections were cut, tangentially from the pial surface down to the white matter, stained and digitizalized into a computer and represented as a stack of 2D images. The mean neuron density (N(V)-value) was (60 x 10(3) +/- 15 x 10(3)) neurons/mm3. The mean number of neurons beneath 1 mm2 of cortical surface (NC-value) was (113 x 10(3) +/- 8 x 10(3)) neurons/mm2. Well-defined bundles of apical dendrites emanating from layer V pyramidal cells were observed. The bundles consisted of 3-12 (mean 5 +/- 2) dendrites. The dendrites within a bundle converged while ascending towards the pial surface and reached a maximal close packing in layer IV. Superficially, the packing density decreased again. The mutual positions of the dendrites within the bundles shifted only slightly along their course towards the pial surface. The occurrence of bundles in tangential sections through layer IV was about 190 bundles/mm2 and the average number of neurons per bundle was estimated at approximately 600. However, when calculating Voronoi-diagrams, the number of neurons, which with this mathematical technique, is ascribed to each of the reconstructed dendritic bundles, varied between 200 and 1000. The possibility that the dendritic bundles are centers in cortical cell modules is discussed.
650	7	a MEDICIN OCH HÄLSOVETENSKAPx Medicinska och farmaceutiska grundvetenskaperx Cell- och molekylärbiologi0 (SwePub)301082 hsv//swe
650	7	a MEDICAL AND HEALTH SCIENCESx Basic Medicinex Cell and Molecular Biology0 (SwePub)301082 hsv//eng
653		a Animals
653		a Image Processing
653		a Computer-Assisted
653		a Male
653		a Neural Pathways/*anatomy & histology
653		a Neurons/*cytology
653		a Rats
653		a Rats
653		a Sprague-Dawley
653		a Somatosensory Cortex/*anatomy & histology
700	1	a Pascher, R.4 aut
700	1	a Berthold, Claes-Henric,d 1937u Gothenburg University,Göteborgs universitet,Institutionen för anatomi och cellbiologi,Institute of Anatomy and Cell Biology4 aut0 (Swepub:gu)xbercl
710	2	a Göteborgs universitetb Institutionen för anatomi och cellbiologi4 org
773	0	t Neurosci Resd : Elsevier BVg 50:2, s. 189-98q 50:2<189-98x 0168-0102
856	4 8	u https://gup.ub.gu.se/publication/59963
856	4 8	u https://doi.org/10.1016/j.neures.2004.06.017

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MEDICIN OCH HÄLSOVETENSKAP: MEDICIN OCH HÄLS ...; och Medicinska och f ...; och Cell och molekyl ...

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Av lärosätet: Göteborgs universitet

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