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Related Concept Videos

Development of Blood Vessels01:07

Development of Blood Vessels

The development of the vascular system in a fetus is a complex and intricate process that begins as early as 15 to 16 days post-conception. This process starts outside the embryo, specifically in the mesoderm of the yolk sac, chorion, and connecting stalk. Approximately two days later, the formation of blood vessels occurs within the embryo itself.
The initial formation of this system is facilitated by the small amount of yolk present in the ovum and yolk sac. Blood vessels originate from...
Anatomy of Blood Vessels01:20

Anatomy of Blood Vessels

The vascular system, an integral part of the circulatory system, comprises various blood vessels that play crucial roles in maintaining the body's homeostasis. These blood vessels form a complex and efficient circulatory network. The three primary categories of blood vessels are the arteries, veins, and capillaries.
Arteries
Arteries circulate oxygenated blood from the heart, except the pulmonary artery, which transports deoxygenated blood to the lungs. Large arteries, such as the aorta, have...
Overview of Blood Vessels01:14

Overview of Blood Vessels

The human cardiovascular system comprises five primary types of blood vessels: arteries, arterioles, veins, venules, and capillaries, each serving unique functions.
Arteries and Arterioles: Arteries are muscular and elastic vessels that primarily carry oxygenated blood from the heart to body tissues, except for the pulmonary artery, which carries deoxygenated blood. They have thick walls to withstand high pressure and contain a layer of muscle tissue, allowing them to expand or contract as...
Structure of Blood Vessels01:15

Structure of Blood Vessels

Blood is circulated throughout the human body through a network of blood vessels called the circulatory system. This system includes arteries that transport blood from the heart to various body parts. These arterial pathways divide into smaller vessels until they reach the arterioles, which further split into capillaries. It is within these minuscule capillaries that the exchange of nutrients and waste products takes place. After this exchange, the blood is collected by venules, which fuse to...
Applications of Integration to Find Blood Flow01:27

Applications of Integration to Find Blood Flow

Blood flow through a cylindrical blood vessel can be mathematically described using the principles of laminar flow, a regime in which fluid moves smoothly in parallel layers. In this model, the velocity of the blood is not uniform across the cross-section of the vessel; rather, it varies with the radial distance from the center. The maximum velocity occurs along the central axis, decreasing progressively toward the vessel walls, where it reaches zero due to viscous drag.Approximating Blood...
Blood Flow01:29

Blood Flow

Blood is pumped by the heart into the aorta, the largest artery in the body, and then into increasingly smaller arteries, arterioles, and capillaries. The velocity of blood flow decreases with increased cross-sectional blood vessel area. As blood returns to the heart through venules and veins, its velocity increases. The movement of blood is encouraged by smooth muscle in the vessel walls, the movement of skeletal muscle surrounding the vessels, and one-way valves that prevent backflow.

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Related Experiment Video

Updated: Jun 18, 2026

Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training
09:57

Development and Evaluation of 3D-Printed Cardiovascular Phantoms for Interventional Planning and Training

Published on: January 18, 2021

[A virtual eversion method for blood vessels].

Chang Xu1, Jun Zhao

  • 1Department of Biomedical Engineering, Shanghai Jiao Tong University, Shanghai 200240.

Zhongguo Yi Liao Qi Xie Za Zhi = Chinese Journal of Medical Instrumentation
|November 27, 2009
PubMed
Summary
This summary is machine-generated.

This study introduces a virtual eversion method for blood vessels using electric field lines and non-rigid registration. The technique clearly visualizes arterial stenosis in lower extremities, demonstrating its feasibility for anatomical assessment.

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Area of Science:

  • Medical Imaging
  • Computational Anatomy
  • Biomedical Engineering

Context:

  • Assessing vascular diseases like arterial stenosis requires accurate visualization of complex 3D anatomy.
  • Current methods may have limitations in providing comprehensive views or preserving spatial relationships.

Purpose:

  • To develop and validate a novel virtual eversion method for human blood vessels.
  • To improve visualization of vascular structures and pathologies using electric field lines and non-rigid registration.

Summary:

  • A virtual eversion technique based on electric field lines and optimized with non-rigid registration was developed.
  • This method offers enhanced visualization, preserving global and local anatomical context.
  • Applied to CT data of lower extremity arterial stenosis, the technique effectively revealed stenotic regions.

Impact:

  • Provides a feasible and accessible tool for clear visualization of vascular anatomy and disease.
  • Potential to aid in the diagnosis and understanding of conditions like arterial stenosis.
  • Enhances the capabilities of medical imaging analysis for vascular interventions.