Instability and "sausage-string" appearance in blood vessels during high blood pressure

被引：19

作者：

Alstrom, P

Eguíluz, VM

Colding-Jorgensen, M

Gustafsson, F

Holstein-Rathlou, NH

机构：

[1] Niels Bohr Inst, CATS, DK-2100 Copenhagen, Denmark

[2] Univ Illes Balears, Inst Mediterraneo Estudios Avanzados IMEDEA, CSIC, E-07071 Palma de Mallorca, Spain

[3] Novo Nordisk AS, DK-2880 Bagsvaerd, Denmark

[4] Univ Copenhagen, Panum Inst, Dept Med Physiol, DK-2200 Copenhagen, Denmark

来源：

PHYSICAL REVIEW LETTERS | 1999年 / 82卷 / 09期

关键词：

D O I：

10.1103/PhysRevLett.82.1995

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A new Rayleigh-type instability is proposed to explain the "sausage-string" pattern of alternating constrictions and dilatations formed in blood vessels under influence of a vasoconstricting agent. Our theory involves the nonlinear elasticity characteristics of the vessel wall, and provides predictions for the conditions under which the cylindrical form of a blood vessel becomes unstable.

引用

页码：1995 / 1998

页数：4

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