Microvascular Endothelial Cell Shape and Size in Situ
To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the interc...
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E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
1993 |
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| Reproduktion: |
Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 |
|---|---|
| Übergeordnetes Werk: |
in: Microvascular Research - Amsterdam : Elsevier, 46(1993), 1, Seite 77-88 |
| Übergeordnetes Werk: |
volume:46 ; year:1993 ; number:1 ; pages:77-88 |
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| 520 | |a To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. | ||
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(DE-627)NLEJ185542662 (DE-599)GBVNLZ185542662 DE-627 ger DE-627 rakwb eng Microvascular Endothelial Cell Shape and Size in Situ 1993 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Adamson, R.H. oth in Microvascular Research Amsterdam : Elsevier 46(1993), 1, Seite 77-88 (DE-627)NLEJ177170042 (DE-600)1471172-2 0026-2862 nnns volume:46 year:1993 number:1 pages:77-88 http://dx.doi.org/10.1006/mvre.1993.1036 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 46 1993 1 77-88 |
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(DE-627)NLEJ185542662 (DE-599)GBVNLZ185542662 DE-627 ger DE-627 rakwb eng Microvascular Endothelial Cell Shape and Size in Situ 1993 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Adamson, R.H. oth in Microvascular Research Amsterdam : Elsevier 46(1993), 1, Seite 77-88 (DE-627)NLEJ177170042 (DE-600)1471172-2 0026-2862 nnns volume:46 year:1993 number:1 pages:77-88 http://dx.doi.org/10.1006/mvre.1993.1036 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 46 1993 1 77-88 |
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(DE-627)NLEJ185542662 (DE-599)GBVNLZ185542662 DE-627 ger DE-627 rakwb eng Microvascular Endothelial Cell Shape and Size in Situ 1993 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Adamson, R.H. oth in Microvascular Research Amsterdam : Elsevier 46(1993), 1, Seite 77-88 (DE-627)NLEJ177170042 (DE-600)1471172-2 0026-2862 nnns volume:46 year:1993 number:1 pages:77-88 http://dx.doi.org/10.1006/mvre.1993.1036 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 46 1993 1 77-88 |
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(DE-627)NLEJ185542662 (DE-599)GBVNLZ185542662 DE-627 ger DE-627 rakwb eng Microvascular Endothelial Cell Shape and Size in Situ 1993 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Adamson, R.H. oth in Microvascular Research Amsterdam : Elsevier 46(1993), 1, Seite 77-88 (DE-627)NLEJ177170042 (DE-600)1471172-2 0026-2862 nnns volume:46 year:1993 number:1 pages:77-88 http://dx.doi.org/10.1006/mvre.1993.1036 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 46 1993 1 77-88 |
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(DE-627)NLEJ185542662 (DE-599)GBVNLZ185542662 DE-627 ger DE-627 rakwb eng Microvascular Endothelial Cell Shape and Size in Situ 1993 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. Elsevier Journal Backfiles on ScienceDirect 1907 - 2002 Adamson, R.H. oth in Microvascular Research Amsterdam : Elsevier 46(1993), 1, Seite 77-88 (DE-627)NLEJ177170042 (DE-600)1471172-2 0026-2862 nnns volume:46 year:1993 number:1 pages:77-88 http://dx.doi.org/10.1006/mvre.1993.1036 GBV_USEFLAG_H ZDB-1-SDJ GBV_NL_ARTICLE AR 46 1993 1 77-88 |
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To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. |
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To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. |
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To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries. |
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<?xml version="1.0" encoding="UTF-8"?><collection xmlns="http://www.loc.gov/MARC21/slim"><record><leader>01000caa a22002652 4500</leader><controlfield tag="001">NLEJ185542662</controlfield><controlfield tag="003">DE-627</controlfield><controlfield tag="005">20210707021248.0</controlfield><controlfield tag="007">cr uuu---uuuuu</controlfield><controlfield tag="008">070506s1993 xx |||||o 00| ||eng c</controlfield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-627)NLEJ185542662</subfield></datafield><datafield tag="035" ind1=" " ind2=" "><subfield code="a">(DE-599)GBVNLZ185542662</subfield></datafield><datafield tag="040" ind1=" " ind2=" "><subfield code="a">DE-627</subfield><subfield code="b">ger</subfield><subfield code="c">DE-627</subfield><subfield code="e">rakwb</subfield></datafield><datafield tag="041" ind1=" " ind2=" "><subfield code="a">eng</subfield></datafield><datafield tag="245" ind1="1" ind2="0"><subfield code="a">Microvascular Endothelial Cell Shape and Size in Situ</subfield></datafield><datafield tag="264" ind1=" " ind2="1"><subfield code="c">1993</subfield></datafield><datafield tag="336" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zzz</subfield><subfield code="2">rdacontent</subfield></datafield><datafield tag="337" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">z</subfield><subfield code="2">rdamedia</subfield></datafield><datafield tag="338" ind1=" " ind2=" "><subfield code="a">nicht spezifiziert</subfield><subfield code="b">zu</subfield><subfield code="2">rdacarrier</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">To estimate total cleft length per unit surface area, previous studies assumed that endothelial cell clefts were oriented randomly with respect to the axis of the microvessel (Bundgaard and Frokjaer-Jensen, Microvasc . Res. 23, 1-30, 1982). In the present study, silver precipitation along the intercellular clefts of capillary endothelium (''silver lines'') in the frog mesentery allowed observation of cleft orientation as well as estimation of cell shape, cell area (C"A), and cleft length per unit area (C"L). In all vessels, the endothelial cells were highly elongated polygons, usually hexagonal, which were oriented along the vessel axis. The clefts were highly oriented with a preferred orientation which was parallel to the vessel axis. Clefts exhibited very little local meandering, with a contour length only 7% greater than endpoint-to-endpoint length. Therefore, the assumption of random cleft orientation was not valid, and its use yielded an overestimate of C"L. New estimates of C"L were 0.16, 0.12, and 0.12 μm^-^1 for arterial, true, and venous capillaries, respectively. Cell lengths (mean +/- SD, n ) were 135 μm (+/-28, 79) in arterial capillaries, 98 μm (+/-28, 19) in true capillaries, and 139 μm (+/-20, 21) in venous capillaries.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Elsevier Journal Backfiles on ScienceDirect 1907 - 2002</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Adamson, R.H.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Microvascular Research</subfield><subfield code="d">Amsterdam : Elsevier</subfield><subfield code="g">46(1993), 1, Seite 77-88</subfield><subfield code="w">(DE-627)NLEJ177170042</subfield><subfield code="w">(DE-600)1471172-2</subfield><subfield code="x">0026-2862</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:46</subfield><subfield code="g">year:1993</subfield><subfield code="g">number:1</subfield><subfield code="g">pages:77-88</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1006/mvre.1993.1036</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_H</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-SDJ</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">46</subfield><subfield code="j">1993</subfield><subfield code="e">1</subfield><subfield code="h">77-88</subfield></datafield></record></collection>
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7.402776 |