On the Role of the Blood Vessel Endothelial Microvilli in the Blood Flow in Small Capillaries | Zendy

Vladimir I. Makarov | Zendy; Lidia Zueva | Zendy; Priscila Sanabria | Zendy; William D. Wessinger | Zendy; Т. Б. Голубева | Zendy; Igor Khmelinskii | Zendy; Mikhail Inyushin | Zendy

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On the Role of the Blood Vessel Endothelial Microvilli in the Blood Flow in Small Capillaries

Author(s) -

Vladimir I. Makarov,

Lidia Zueva,

Priscila Sanabria,

William D. Wessinger,

Т. Б. Голубева,

Igor Khmelinskii,

Mikhail Inyushin

Publication year - 2015

Publication title -

journal of biophysics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.164

H-Index - 10

eISSN - 1687-8019

pISSN - 1687-8000

DOI - 10.1155/2015/529746

Subject(s) - capillary action , blood flow , blood capillary , lumen (anatomy) , blood vessel , biology , anatomy , biophysics , microbiology and biotechnology , materials science , circulatory system , medicine , endocrinology , composite material

Endothelial microvilli that protrude into the capillary lumen, although invisible in the optical microscopy, may play an important role in the blood flow control in the capillaries. Because of the plug effects, the width of the gap between the capillary wall and the blood cell is especially critical for the blood flow dynamics in capillaries, while microvilli located on the capillary wall can easily control the velocity of the blood flow. We report that microvilli in the capillaries of different vertebrate species have similar characteristics and density, suggesting similarities between the respective regulation mechanisms. A simplified physical model of the capillary effective diameter control by the microvilli is presented.

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