Microvascular Flow
Microvascular Flow - Related Videos
05:54
Intravital Fluorescence Microscopy to Study Microvascular Thrombus Formation
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2025
This video demonstrates the intravital fluorescence microscopy technique to study thrombus formation in a mouse model. The mouse is injected with a fluorophore-labeled polysaccharide to monitor blood circulation. Upon illumination with a high-intensity light, the phototoxic induction of an injury in the microvasculature of the ear leads to the formation of a thrombus, which is confirmed by visualizing the obstruction in the blood flow.
10:39
Laser Doppler: A Tool for Measuring Pancreatic Islet Microvascular Vasomotion In Vivo
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Cited by 7 •
2018
Pancreatic islet microvascular vasomotion regulates islet blood distribution and maintains the physiological function of islet β cells. This protocol describes using a laser Doppler monitor to determine the functional status of pancreatic islet microvascular vasomotion in vivo and to assess the contributions of pancreatic islet microcirculation to pancreatic-related diseases.
09:23
Isolation of Microvascular Endothelial Tubes from Mouse Resistance Arteries
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Cited by 20 •
2013
We present a preparation for visualizing and manipulating calcium signaling in native, intact microvascular endothelium. Endothelial tubes freshly isolated from mouse resistance arteries supplying skeletal muscle retain in vivo morphology and dynamic signaling within and between neighboring cells. Endothelial tubes can be prepared from microvessels of other tissues and organs.
03:39
Studying Lymphocyte Transmigration Across a Microvascular Endothelial Cell Monolayer
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2025
This video demonstrates an experimental investigation of lymphocyte transmigration across a blood-brain barrier (BBB) endothelium model. A monolayer of human brain microvascular endothelial cells (HBMECs) is generated in vitro, and peripheral blood mononuclear cells (PBMCs) containing lymphocytes are added to the monolayer. The cells are then incubated to allow lymphocyte transmigration, and the migrated cells are quantified using flow cytometry.
07:09
Isolation of Murine Adipose Tissue-derived Microvascular Fragments as Vascularization Units for Tissue Engineering
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Cited by 58 •
2017
We present a protocol to isolate adipose tissue-derived microvascular fragments that represent promising vascularization units. They can be rapidly isolated, do not require in vitro processing and, thus, may be used for one-step prevascularization in different fields of tissue engineering.
FAQs
Local perfusion reflects the balance between the pressure gradient driving blood and the vascular resistance opposing it. Changes in vessel diameter can therefore alter how readily blood moves through a microvascular segment. In experimental systems, controlling these variables helps bioengineers examine how different flow conditions influence transport through small-vessel networks.
Blood viscosity and red blood cell behavior affect the resistance encountered by moving blood, so they can change local perfusion even when the overall vessel arrangement is similar. Endothelial regulation adds a biological control layer to this physical relationship. Including these factors in models produces a more informative representation of microvascular transport than pressure alone.
The value of studying microvascular flow extends beyond tracking blood movement: it provides a way to examine how transport conditions support oxygen and nutrient delivery to tissue. Because local perfusion depends on several interacting variables, engineered models can be used to investigate how altered flow may change the environment experienced by cells.
Microfluidic systems, engineered tissues, and organ-on-a-chip models offer complementary platforms for studying microvascular flow. Their shared purpose is to reproduce aspects of physiological transport in a controlled bioengineering setting. Platform selection can therefore follow the research question, such as whether the goal is to study flow behavior, tissue transport, or responses within an engineered model.
These models can help researchers investigate oxygen and nutrient delivery, vascular disease, and drug responses. The relevant outcome is not simply whether blood moves, but how modeled transport conditions relate to tissue supply or disease-related and treatment-related behavior. This makes microvascular systems useful for connecting engineered experiments with questions about physiological or pathological perfusion.
In tissue engineering, microvascular flow is relevant to tissue integration and regeneration because engineered systems can be designed to reproduce physiological transport. Studying that transport gives researchers a framework for examining whether flow conditions support the delivery environment needed by developing tissue. The same approach can guide investigations of strategies intended to improve integration or regenerative outcomes.