Analysis of microvascular trees by means of scanning electron microscopy of vascular casts and 3D-morphometry.
Identifieur interne : 000153 ( Ncbi/Merge ); précédent : 000152; suivant : 000154Analysis of microvascular trees by means of scanning electron microscopy of vascular casts and 3D-morphometry.
Auteurs : A. Lametschwandtner [Autriche] ; B. Minnich ; B. Stöttinger ; W D KrautgartnerSource :
- Italian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia [ 1122-6714 ] ; 2005.
English descriptors
- KwdEn :
- Algorithms, Animals, Anterior Cerebral Artery (physiology), Anterior Cerebral Artery (ultrastructure), Cerebrovascular Circulation (physiology), Corrosion Casting (methods), Fishes (anatomy & histology), Fishes (physiology), Image Processing, Computer-Assisted (methods), Microcirculation (physiology), Microcirculation (ultrastructure), Microscopy, Electron, Scanning (methods), Superior Colliculi (blood supply).
- MESH :
- anatomy & histology : Fishes.
- blood supply : Superior Colliculi.
- methods : Corrosion Casting, Image Processing, Computer-Assisted, Microscopy, Electron, Scanning.
- physiology : Anterior Cerebral Artery, Cerebrovascular Circulation, Fishes, Microcirculation.
- ultrastructure : Anterior Cerebral Artery, Microcirculation.
- Algorithms, Animals.
Abstract
Arterial and capillary trees form by consecutive branching (mostly bifurcations) from a stem vessel, venous trees form by repeated merging of blood vessels. Diameters of stem (parent, mother) vessels and daughter vessels (branches), interbranching distances and branching angles between stem and daughter vessels lastly define the overall three-dimensional structure of the vascular network as well as the basic transport capacity of the system. Here we use scanning electron microscopy and 3D-morphometry to measure these variables from stereo paired images of vascular corrosion casts of the anterior cerebral artery and its main branches and from arteriolar bifurcations of the mesencephalic optic tectum in the actinopterygian fish, Acipenser ruthenus. We then calculate bifurcation indices, area ratios, asymmetry ratios and test for the optimality principles underlying the bifurcations studied. Our results show that arteriolar bifurcations in the optic tectum are in favor of the principles of minimum pumping power and minimum volume rather than the principles of minimum surface and minimum drag. We conclude that scanning electron microscopy of vascular corrosion casts in conjunction with 3D-morphometry is an excellent tool to thoroughly analyze vascular trees in healthy and diseased tissues and organs, as well as on an ontogenetic and phylogenetic scale.
PubMed: 16101025
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pubmed:16101025Le document en format XML
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Stöttinger</name></author><author><name sortKey="Krautgartner, W D" sort="Krautgartner, W D" uniqKey="Krautgartner W" first="W D" last="Krautgartner">W D Krautgartner</name></author></titleStmt><publicationStmt><idno type="wicri:source">PubMed</idno><date when="2005">2005</date><idno type="RBID">pubmed:16101025</idno><idno type="pmid">16101025</idno><idno type="wicri:Area/PubMed/Corpus">000548</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Corpus" wicri:corpus="PubMed">000548</idno><idno type="wicri:Area/PubMed/Curation">000548</idno><idno type="wicri:explorRef" wicri:stream="PubMed" wicri:step="Curation">000548</idno><idno type="wicri:Area/PubMed/Checkpoint">000548</idno><idno type="wicri:explorRef" wicri:stream="Checkpoint" wicri:step="PubMed">000548</idno><idno type="wicri:Area/Ncbi/Merge">000153</idno></publicationStmt><sourceDesc><biblStruct><analytic><title xml:lang="en">Analysis of microvascular trees by means of scanning electron microscopy of vascular casts and 3D-morphometry.</title><author><name sortKey="Lametschwandtner, A" sort="Lametschwandtner, A" uniqKey="Lametschwandtner A" first="A" last="Lametschwandtner">A. Lametschwandtner</name><affiliation wicri:level="1"><nlm:affiliation>Department of Organismic Biology, University of Salzburg, Salzburg, Austria. alois.lametschwandtner@sbg.ac.at</nlm:affiliation><country xml:lang="fr">Autriche</country><wicri:regionArea>Department of Organismic Biology, University of Salzburg, Salzburg</wicri:regionArea><wicri:noRegion>Salzburg</wicri:noRegion></affiliation></author><author><name sortKey="Minnich, B" sort="Minnich, B" uniqKey="Minnich B" first="B" last="Minnich">B. Minnich</name></author><author><name sortKey="Stottinger, B" sort="Stottinger, B" uniqKey="Stottinger B" first="B" last="Stöttinger">B. Stöttinger</name></author><author><name sortKey="Krautgartner, W D" sort="Krautgartner, W D" uniqKey="Krautgartner W" first="W D" last="Krautgartner">W D Krautgartner</name></author></analytic><series><title level="j">Italian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia</title><idno type="ISSN">1122-6714</idno><imprint><date when="2005" type="published">2005</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Algorithms</term><term>Animals</term><term>Anterior Cerebral Artery (physiology)</term><term>Anterior Cerebral Artery (ultrastructure)</term><term>Cerebrovascular Circulation (physiology)</term><term>Corrosion Casting (methods)</term><term>Fishes (anatomy & histology)</term><term>Fishes (physiology)</term><term>Image Processing, Computer-Assisted (methods)</term><term>Microcirculation (physiology)</term><term>Microcirculation (ultrastructure)</term><term>Microscopy, Electron, Scanning (methods)</term><term>Superior Colliculi (blood supply)</term></keywords><keywords scheme="MESH" qualifier="anatomy & histology" xml:lang="en"><term>Fishes</term></keywords><keywords scheme="MESH" qualifier="blood supply" xml:lang="en"><term>Superior Colliculi</term></keywords><keywords scheme="MESH" qualifier="methods" xml:lang="en"><term>Corrosion Casting</term><term>Image Processing, Computer-Assisted</term><term>Microscopy, Electron, Scanning</term></keywords><keywords scheme="MESH" qualifier="physiology" xml:lang="en"><term>Anterior Cerebral Artery</term><term>Cerebrovascular Circulation</term><term>Fishes</term><term>Microcirculation</term></keywords><keywords scheme="MESH" qualifier="ultrastructure" xml:lang="en"><term>Anterior Cerebral Artery</term><term>Microcirculation</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Algorithms</term><term>Animals</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en">Arterial and capillary trees form by consecutive branching (mostly bifurcations) from a stem vessel, venous trees form by repeated merging of blood vessels. Diameters of stem (parent, mother) vessels and daughter vessels (branches), interbranching distances and branching angles between stem and daughter vessels lastly define the overall three-dimensional structure of the vascular network as well as the basic transport capacity of the system. Here we use scanning electron microscopy and 3D-morphometry to measure these variables from stereo paired images of vascular corrosion casts of the anterior cerebral artery and its main branches and from arteriolar bifurcations of the mesencephalic optic tectum in the actinopterygian fish, Acipenser ruthenus. We then calculate bifurcation indices, area ratios, asymmetry ratios and test for the optimality principles underlying the bifurcations studied. Our results show that arteriolar bifurcations in the optic tectum are in favor of the principles of minimum pumping power and minimum volume rather than the principles of minimum surface and minimum drag. We conclude that scanning electron microscopy of vascular corrosion casts in conjunction with 3D-morphometry is an excellent tool to thoroughly analyze vascular trees in healthy and diseased tissues and organs, as well as on an ontogenetic and phylogenetic scale.</div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">16101025</PMID><DateCreated><Year>2005</Year><Month>08</Month><Day>16</Day></DateCreated><DateCompleted><Year>2005</Year><Month>09</Month><Day>13</Day></DateCompleted><DateRevised><Year>2007</Year><Month>11</Month><Day>15</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Print">1122-6714</ISSN><JournalIssue CitedMedium="Print"><Volume>110</Volume><Issue>2 Suppl 1</Issue><PubDate><Year>2005</Year></PubDate></JournalIssue><Title>Italian journal of anatomy and embryology = Archivio italiano di anatomia ed embriologia</Title><ISOAbbreviation>Ital J Anat Embryol</ISOAbbreviation></Journal><ArticleTitle>Analysis of microvascular trees by means of scanning electron microscopy of vascular casts and 3D-morphometry.</ArticleTitle><Pagination><MedlinePgn>87-95</MedlinePgn></Pagination><Abstract><AbstractText>Arterial and capillary trees form by consecutive branching (mostly bifurcations) from a stem vessel, venous trees form by repeated merging of blood vessels. Diameters of stem (parent, mother) vessels and daughter vessels (branches), interbranching distances and branching angles between stem and daughter vessels lastly define the overall three-dimensional structure of the vascular network as well as the basic transport capacity of the system. Here we use scanning electron microscopy and 3D-morphometry to measure these variables from stereo paired images of vascular corrosion casts of the anterior cerebral artery and its main branches and from arteriolar bifurcations of the mesencephalic optic tectum in the actinopterygian fish, Acipenser ruthenus. We then calculate bifurcation indices, area ratios, asymmetry ratios and test for the optimality principles underlying the bifurcations studied. Our results show that arteriolar bifurcations in the optic tectum are in favor of the principles of minimum pumping power and minimum volume rather than the principles of minimum surface and minimum drag. 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Minnich</name><name sortKey="Stottinger, B" sort="Stottinger, B" uniqKey="Stottinger B" first="B" last="Stöttinger">B. Stöttinger</name></noCountry><country name="Autriche"><noRegion><name sortKey="Lametschwandtner, A" sort="Lametschwandtner, A" uniqKey="Lametschwandtner A" first="A" last="Lametschwandtner">A. Lametschwandtner</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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