Muscle Tissue
Muscle Tissue - Related Videos
03:30
Snap Freezing of Muscle Tissue for Sectioning: A Protocol to Obtain Ultrathin Sections of Rapidly Frozen Murine Muscle Tissue
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2023
This video describes the procedure for snap freezing muscle tissue and obtaining its thin sections. The technique can help study cancer-related cachexia in colon cancer mouse models.
01:25
Overview of Muscle Tissues
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2024
The human body has three types of muscle tissue: skeletal, smooth, and cardiac. Each class has unique properties that enable them to perform specific functions. However, all muscle tissues share certain properties, including elasticity, contractility, and excitability. Elasticity Elasticity is the ability of muscles to stretch and return to their original shape. This property is partly due to elastic fibers — macromolecules that run through the muscles. These fibers are firm and resilient,...
08:38
Engineering Skeletal Muscle Tissues from Murine Myoblast Progenitor Cells and Application of Electrical Stimulation
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Cited by 40 •
2013
Engineered muscle tissue has great potential in regenerative medicine, as disease model and also as an alternative source for meat. Here we describe the engineering of a muscle construct, in this case from mouse myoblast progenitor cells, and the stimulation by electrical pulses.
05:58
Tissue Triage and Freezing for Models of Skeletal Muscle Disease
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Cited by 98 •
2014
The analysis of skeletal muscle tissues to determine structural, functional, and biochemical properties is greatly facilitated by appropriate preparation. This protocol describes appropriate methods to prepare skeletal muscle tissue for a broad range of phenotyping studies.
03:16
Using 23Na Magnetic Resonance Imaging to Measure Sodium in Muscle Tissues
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2025
Source:Lale Ertuglu1, Michael Pridmore2, Rachelle Crescenzi2,3, Annet Kirabo41Division of Nephrology and Hypertension, Vanderbilt University Medical Center.2Department of Radiology and Radiological Sciences, Vanderbilt University Medical Center.3Department of Biomedical Engineering, Vanderbilt University.4Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University Medical Center.This video demonstrates the quantification of sodium content in human tissues using sodium...
FAQs
Calcium-dependent signaling regulates the transition from neural stimulation to filament movement. When the appropriate signal reaches a muscle fiber, actin and myosin can slide past one another, producing force. This link is central to excitation-contraction coupling, the process that translates electrical activity associated with neural input into mechanical output for movement or other muscle functions.
At the neuromuscular junction, an action potential in a motor neuron triggers release of acetylcholine. That chemical messenger initiates excitation-contraction coupling in the muscle fiber, connecting activity in the nervous system with force production. This sequence provides a focused way to study how motor neurons activate skeletal muscle and where communication may fail in neuromuscular disorders.
Muscle-derived sensory feedback informs the nervous system about movement and position. This information complements motor commands by reporting aspects of the body's ongoing state, allowing muscle tissue to be considered as part of a two-way motor system rather than only an endpoint. Its study is therefore relevant to understanding coordinated movement and reflexes.
Such studies can focus on the communication pathway between motor neurons and skeletal muscle, beginning with an action potential and acetylcholine release at the neuromuscular junction. They can then consider excitation-contraction coupling and filament sliding as downstream steps. Examining this linked pathway helps place neuromuscular disorders within both neural signaling and muscle-force contexts.
Sensory feedback from muscle informs the nervous system about movement and position, giving reflex research a physiological signal to relate to ongoing body state. Examining this feedback alongside motor output helps explain how reflexes connect incoming information with muscular action, rather than treating contraction as an isolated event.
Nerve injury can be studied through its relationship to the neural signals that normally activate skeletal muscle. Because motor-neuron action potentials and acetylcholine release initiate excitation-contraction coupling, muscle observations can help frame how disrupted neural input relates to impaired force production. This connection makes muscle tissue relevant when examining the effects of nerve injury.