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Anatomia, histologia, embryologia2003; 32(2); 94-97; doi: 10.1046/j.1439-0264.2003.00463.x

[The occurrence of hemodynamic effective elements in the intestinal blood vessel system].

Abstract: Arterioles, precapillary sphincters, capillary endothelium, and pericytes probably regulate the blood flow in the intestinal microvascular bed similar to other regions of the body because of their equipment with contractile filaments. Only throttle veins with their arrangement of pools and their characteristics probably exert influence on the hemodynamic qualities of the blood flow in the intestinal mucosa.
Publication Date: 2003-06-12 PubMed ID: 12797530DOI: 10.1046/j.1439-0264.2003.00463.xGoogle Scholar: Lookup
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Summary

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This research explores how blood flow in the intestinal microvascular bed is potentially regulated in a similar manner to other regions of the body due to the existence of specific structures like arterioles, precapillary sphincters, capillary endothelium, and pericytes. It also discusses the potential influence of throttle veins on the hemodynamics of blood flow in the intestinal mucosa.

Investigation into Hemodynamic Effective Elements

The central focus of this research stems from an in-depth analysis of the regulatory elements that control blood flow in the intestinal microvascular bed. These include:

  • Arterioles: small branches of arteries that lead into capillaries, facilitating blood flow to different tissues.
  • Precapillary sphincters: circular muscle bands that contract and relax to control blood flow into the capillaries, essentially acting as valves.
  • Capillary endothelium: the thin layer of cells that lines the interior surface of blood vessels, playing a pivotal role in controlling the exchange of substances between the blood and surrounding tissues.
  • Pericytes: cells wrapped around the endothelial cells of capillaries and small venules, playing key roles in angiogenesis, blood-brain barrier integrity, and capillary blood flow regulation.

The researchers hypothesize that these elements, due to their contractile filaments, play a crucial role in blood flow regulation, much like in other body regions.

Role of Throttle Veins

The study further explores the characteristics and role of throttle veins in the intestinal vascular system. Throttle veins are vein sections that maintain a particular flow rate or pressure within the system. They are organized in a pool arrangement and are assumed to make a significant impact on the hemodynamics of blood flow within the intestinal mucosa.

Their potential influence, the researchers propose, could be directly linked to how these veins operate collectively to maintain proper blood flow pressures and rates within the intestinal region. This regulation ensures the efficient delivery and absorption of nutrients, contributing to overall digestive health and system efficiency.

Essentially, this research aligns with existing studies but further highlights the critical role of specific blood vessel structures, underscoring their significance in regulating blood flow in the intestinal region.

Cite This Article

APA
Wille KH, Schnorr B. (2003). [The occurrence of hemodynamic effective elements in the intestinal blood vessel system]. Anat Histol Embryol, 32(2), 94-97. https://doi.org/10.1046/j.1439-0264.2003.00463.x

Publication

ISSN: 0340-2096
NlmUniqueID: 7704218
Country: Germany
Language: ger
Volume: 32
Issue: 2
Pages: 94-97

Researcher Affiliations

Wille, K H
  • Institut für Veterinär-Anatomie, -Histologie und -Embryologie der Justus-Liebig-Universität Giessen, Deutschland. dept.vet-anat@vetmed.uni-giessen.de
Schnorr, B

    MeSH Terms

    • Animals
    • Arterioles / physiology
    • Capillaries / physiology
    • Cattle
    • Chickens
    • Digestive System / blood supply
    • Endothelium, Vascular / physiology
    • Hemodynamics / physiology
    • Horses
    • Intestinal Mucosa / blood supply
    • Pericytes / physiology
    • Regional Blood Flow / physiology
    • Veins / physiology

    Citations

    This article has been cited 2 times.
    1. Galiazzo G, Giancola F, Stanzani A, Fracassi F, Bernardini C, Forni M, Pietra M, Chiocchetti R. Localization of cannabinoid receptors CB1, CB2, GPR55, and PPARα in the canine gastrointestinal tract.. Histochem Cell Biol 2018 Aug;150(2):187-205.
      doi: 10.1007/s00418-018-1684-7pubmed: 29882158google scholar: lookup
    2. Yu X, Radulescu A, Chen CL, James IO, Besner GE. Heparin-binding EGF-like growth factor protects pericytes from injury.. J Surg Res 2012 Jan;172(1):165-76.
      doi: 10.1016/j.jss.2010.07.058pubmed: 20863525google scholar: lookup