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Related Concept Videos

Overview of the Vascular System01:20

Overview of the Vascular System

The vascular system comprises an extensive network of arteries, capillaries, and veins. The vascular system can be broadly divided into the blood and lymphatic systems. Typically, blood vessels can be categorized into three histological regions: tunica intima, tunica media, and tunica adventitia. The tunica intima consists of a single layer of endothelial cells attached to the basal lamina. Underlying the basal lamina is a connective tissue layer and an elastic lamina that gives stability and...
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...
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 Systemic Arteries01:11

Overview of Systemic Arteries

The human body is a complex, well-organized machine, and at the heart of its operations lies the circulatory system. This network of blood vessels, which includes systemic arteries, plays a vital role in maintaining life by transporting nutrients, oxygen, and waste products to and from cells throughout the body.
Systemic circulation is the part of the cardiovascular system that carries oxygenated blood away from the heart to the body's tissues and returns deoxygenated blood back to the heart.
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...
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...

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Related Experiment Video

Updated: Jun 17, 2026

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature
11:49

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Comparative structural and hemodynamic analysis of vascular trees.

J Yang1, L X Yu, M Y Rennie

  • 1Mouse Imaging Centre, The Hospital for Sick Children, Toronto, Ontario, Canada.

American Journal of Physiology. Heart and Circulatory Physiology
|January 19, 2010
PubMed
Summary

Detailed 3D vascular tree images aid in understanding organ vascular patterning. Comparing geometry and simulated hemodynamics reveals similarities and differences, identifying key features for vascular arborization patterns and function.

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Last Updated: Jun 17, 2026

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature
11:49

Using High Resolution Computed Tomography to Visualize the Three Dimensional Structure and Function of Plant Vasculature

Published on: April 5, 2013

Spatial Temporal Analysis of Fieldwise Flow in Microvasculature
09:39

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Published on: November 18, 2019

Anatomical Reconstructions of the Human Cardiac Venous System using Contrast-computed Tomography of Perfusion-fixed Specimens
06:02

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Published on: April 18, 2013

Area of Science:

  • Cardiovascular Science
  • Biomedical Imaging
  • Computational Biology

Background:

  • Detailed 3D imaging of mammalian organ vascular trees offers crucial data for vascular patterning research.
  • Statistical comparison of individual vascular tree geometries is essential for meaningful analysis.
  • Understanding vascular arborization patterns and function requires analyzing geometric and hemodynamic data.

Purpose of the Study:

  • To compare the geometry and simulated hemodynamics of vascular trees from different mammalian organs.
  • To identify similarities and differences among 10 individual specimens (5 placenta, 5 lung).
  • To determine essential features for vascular arborization patterns and function using a series of models.

Main Methods:

  • Acquisition and analysis of detailed 3D images of vascular trees.
  • Geometric comparison of vascular tree structures.
  • Simulation of hemodynamics within the vascular trees.
  • Comparative analysis of specimens and models of increasing complexity.

Main Results:

  • Identified similarities and differences in geometry and hemodynamics between placenta and lung vascular trees.
  • Established a method for statistically meaningful comparison of individual vascular trees.
  • Highlighted essential features required to explain vascular arborization patterns and function.

Conclusions:

  • 3D vascular tree data can be effectively compared using geometric and hemodynamic analyses.
  • Key features influencing vascular patterns and function in organs like the placenta and lungs were identified.
  • This approach provides a framework for understanding vascular arborization across different biological systems.