2000
DOI: 10.1590/s0004-282x2000000600011
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Abstract: -The aim of the present study was to quantify the distribution of the elastic fiber system within the wall of the anterior cerebral artery. The study is based on the works of Glynn (1940) and Stehbens (1989) concerning the incidence and origin of brain aneurysms and recent studies of the elastic fibers. The anterior cerebral artery was divided into three segments, S1, S2 and S3: S1 corresponds to the origin of the anterior cerebral artery, S2 is located at the junction of the anterior cerebral artery with the … Show more

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Cited by 3 publications
(3 citation statements)
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“…This concurs with the findings of Kajikawa et al;Cotta-Pereira et al (1976) and Sawada et al (2006), the elaunin fibers, in turn, are ultrastructurally characterized by being composed of scarce amorphous material scattered amid the microtubular component, as previously shown by CottaPereira et al (1976CottaPereira et al ( , 1977. However, the oxytalan fibers are represented by bundles of microtubules arranged in parallel, confirming the findings of Simmons & Avery (1980), De Carvalho & Line (1996, Chopard et al (1998) and Chopard & Gerhard (2000).…”
Section: Discussionsupporting
confidence: 85%
“…This concurs with the findings of Kajikawa et al;Cotta-Pereira et al (1976) and Sawada et al (2006), the elaunin fibers, in turn, are ultrastructurally characterized by being composed of scarce amorphous material scattered amid the microtubular component, as previously shown by CottaPereira et al (1976CottaPereira et al ( , 1977. However, the oxytalan fibers are represented by bundles of microtubules arranged in parallel, confirming the findings of Simmons & Avery (1980), De Carvalho & Line (1996, Chopard et al (1998) and Chopard & Gerhard (2000).…”
Section: Discussionsupporting
confidence: 85%
“…A long-term adapting to pulse bifurcation may lead to degenerative and ultrastructural changes in the vessel's wall 17,35 . With aging, as a result of dystrophic changes on the brain vessels, their elasticity decreases, and may disable compensatory pulse adaptability of the bifurcation thus impairing redistribution of the transmural pressure due to stress increase in the region of stationary point [36][37][38][39][40][41][42] .…”
Section: Discussionmentioning
confidence: 99%
“…The estimated elastic fiber length was derived from the formula L = 2Q × EV, where L = length of the elastic fiber structure per unit volume, Q = number of cross-sectioned elastic fibers in the plane of the section and EV = unit volume. The fiber length per unit volume is directly proportional to the number of fiber intersections within the unit section area [21][22][23] . The samples were analyzed with a 100X lens, immersion oil, and eye Kf 10 × 18 compensation, with 117 points integration, showing 13 parallel lines vertically and 9 horizontally.…”
Section: Elastic Fibersmentioning
confidence: 99%