Muscular Arteries
Muscular Arteries - Related Videos
01:18
The Muscular System
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2024
The muscular system is essential to the body's overall structure and function, playing a crucial role in movement, stability, and internal processes. It consists of three distinct types of muscle tissue: the skeletal, the smooth, and the cardiac muscles. Skeletal Muscles: These muscles are under our conscious control and enable movement. They are attached to bones by tendons, and their contraction and relaxation allow us to move. Additionally, they generate heat during physical activity,...
12:03
Microfluidic Genipin Deposition Technique for Extended Culture of Micropatterned Vascular Muscular Thin Films
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Cited by 4 •
2015
We present a method for microfluidic deposition of patterned genipin and fibronectin on PDMS substrates, allowing extended viability of vascular smooth muscle cell-dense tissues. This tissue fabrication method is combined with previous vascular muscular thin film technology to measure vascular contractility over disease-relevant time courses.
06:54
Battery of Behavioral Tests Assessing General Locomotion, Muscular Strength, and Coordination in Mice
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Cited by 30 •
2018
Behavioral testing is used in pre-clinical trials to assess the phenotypic effects of a disease or treatment on an animal's wellbeing. In order to globally assess motor functioning, we selected tests for general locomotion, muscular strength, and coordination: the open field test, the mesh test, and the rotarod test, respectively.
05:54
A Simple and Low-cost Assay for Measuring Ambulation in Mouse Models of Muscular Dystrophy
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Cited by 10 •
2017
This protocol describes a flexible, low-cost system for measuring mouse ambulation in an open field activity assay. We show that a 6-minute ambulation assay based on this system detects a decrease in voluntary movement in mdx mice, and accurately distinguishes improvement in a muscle-specific rescue of these animals.
07:05
Murine Model of Femoral Artery Wire Injury with Implantation of a Perivascular Drug Delivery Patch
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Cited by 8 •
2015
We describe a surgical technique that produces wire injury in the femoral artery of mice to induce neointimal hyperplasia to serve as a model testing system for the perivascular delivery of therapeutic compounds for the inhibition of restenosis.
FAQs
The tunica media contains multiple layers of smooth muscle that can contract or relax, changing the vessel’s diameter. Because this muscular layer actively modifies the passage available for blood, it links arterial structure to regional perfusion. Studying this arrangement helps explain how muscular arteries direct circulation toward particular organs and tissues rather than serving only as passive conduits.
Autonomic signals and local chemical conditions provide complementary control over smooth-muscle activity. Their effects can promote either contraction or relaxation, allowing vessel diameter to respond to both body-wide regulation and conditions within a tissue. This combined control helps coordinate blood delivery with physiological demands while contributing to the maintenance of arterial pressure.
Vasoconstriction narrows the vessel, whereas vasodilation widens it, and both responses alter the movement of blood through a regional vascular pathway. These diameter changes influence tissue perfusion and participate in blood-pressure control. Their importance lies in coordinating local circulation with broader cardiovascular regulation, rather than treating blood flow as a fixed output of the artery.
Elastic arteries provide the upstream connection from the heart toward the distributing arterial network, while muscular arteries use their smooth-muscle-rich walls to regulate delivery to specific regions. This distinction illustrates how different arterial structures support different tasks within circulation. Comparing them helps biologists connect vessel-wall organization with the transition from major arterial flow to regional control.
Examining these vessels can reveal how wall structure supports vascular function, especially how smooth muscle produces changes in diameter. It also provides a framework for analyzing vasoconstriction, vasodilation, tissue perfusion, and arterial-pressure regulation together. This structure-function perspective makes muscular arteries useful for understanding circulation as an actively controlled biological system.
The radial and femoral arteries serve as recognizable examples of muscular arteries for examining regional circulation. Their study can support investigations of vascular disease and blood-pressure control while illustrating how vessel structure relates to blood delivery in different body regions. Using such examples connects general biological principles with specific pathways that participate in circulation.