Change in strain distribution in rabbit arteries due to smooth muscle contraction (comparison between elastic and muscular arteries)

Takeo Matsumoto, Kentaro Ito, Masaaki Sato

研究成果: Article査読

抄録

It has been suggested that smooth muscle contraction alters intramural strain distribution in the artery wall. To examine this hypothesis, change in in vivo strain distribution following smooth muscle contraction was compared between elastic and muscular arteries. Tubular and short ring-like segments of common carotid and femoral arteries were excised from rabbits as an example of elastic and muscular arteries, respectively. Pressure-diameter relationship of the tubular specimens and opening angle of the ring-like segments were measured under various levels of smooth muscle contraction to calculate in vivo strain distribution in the wall. The distribution became uniform in both arteries at a certain level of smooth muscle contraction. The level of the contraction was lower in the muscular artery than in the elastic artery.

本文言語English
ページ(範囲)37-42
ページ数6
ジャーナルNippon Kikai Gakkai Ronbunshu, A Hen/Transactions of the Japan Society of Mechanical Engineers, Part A
69
1
DOI
出版ステータスPublished - 2003 1月

ASJC Scopus subject areas

  • 材料科学(全般)
  • 材料力学
  • 機械工学

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