Blood Vessel Formation

Blood vessel formation is the biological process by which new vascular networks arise, supporting oxygen and nutrient delivery throughout tissues. During embryonic development, vasculogenesis builds vessels from endothelial progenitor cells, whereas angiogenesis expands existing vessels as endothelial cells respond to signals such as vascular endothelial growth factor (VEGF), migrate, proliferate, and organize into tubes. This process also includes vessel remodeling and stabilization by supporting cells. Understanding blood vessel formation helps explain development, wound healing, disease progression, and tumor growth, and informs research on regenerative medicine, drug testing, and therapies that target abnormal vascularization.

Blood Vessel Formation - Related Videos

Research

JoVE Journal - Biology

En Face Preparation of Mouse Blood Vessels

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Cited by 20 •

2017

A procedure for making en face preparations of the mouse carotid artery and aorta is described. Such preparations, when immunofluorescently stained with specific antibodies, enable us to study localization of proteins and identification of cell types within the entire vascular wall by confocal microscopy.

In Vitro Assays to Assess Blood-brain Barrier Mesh-like Vessel Formation and Disruption

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Cited by 6 •

2017

Maintaining blood-brain barrier coverage is key for the homeostasis of the central nervous system. This protocol describes in vitro techniques to delineate the fundamental and pathological processes that modulate blood-brain barrier coverage.

An in vivo Assay to Test Blood Vessel Permeability

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Cited by 335 •

2013

We are presenting an in vivo assay to test blood vessel permeability. This assay is based on intravenous injection of a dye and subsequent visualization of its diffusion into interstitial spaces.

Education

JoVE Core - Medical-Surgical Nursing

Anatomy of Blood Vessels

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2025

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...

Structure of Blood Vessels

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2024

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...

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