Radial Artery
Radial Artery - Related Videos
06:57
Arterial Line Placement
0 Views •
2023
Source: Sharon Bord, MD, Department of Emergency Medicine, The Johns Hopkins University School of Medicine, Maryland, USA When monitoring patients, it is important to obtain values that are accurate and reliable. Blood pressure monitoring is one of the essential vital signs, and for a majority of patients, measuring it utilizing non-invasive techniques provides accurate values. However, there are situations in which the blood pressure requires more exact, specific, and reliable measurements.
01:23
Radial System Protection
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2024
Radial systems employ time-delay overcurrent relays to reduce load interruptions. When a fault occurs, the nearest breaker opens first, while upstream breakers remain closed due to longer delay settings. This approach ensures minimal disruption to the rest of the system. In a radial system with a fault downstream of the third breaker, ideally, only the third breaker will open, isolating the fault and interrupting the load connected beyond it. The second breaker has a longer delay setting,...
02:39
Evaluating Motor Impairment in C. elegans Models Using the Radial Locomotion Assay
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2025
This video demonstrates the use of a radial locomotion assay to evaluate motor dysfunction in C. elegans expressing either wild-type or ALS-mutant human TDP-43 protein. Worms with varying levels of wild-type or mutant TDP-43 expression are allowed to crawl, and their movement is measured by the radial distance traveled from the central point on the assay plate. The assay distinguishes between mild, moderate, and severe motor impairments based on the distance traveled by the different C. elegans...
08:09
Use of an Eight-arm Radial Water Maze to Assess Working and Reference Memory Following Neonatal Brain Injury
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Cited by 61 •
2013
The eight-arm radial water maze is designed to evaluate reference and working memory performance simultaneously by requiring subjects to use extra-maze cues to locate escape platforms and remedies the limitations observed in land based radial arm maze designs.
02:59
Time-Lapse Imaging of Cortical Neuron Radial Migration in Transduced Mouse Embryonic Brain Slices
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2025
Source: Wiegreffe, C., et. al., Time-lapse Confocal Imaging of Migrating Neurons in Organotypic Slice Culture of Embryonic Mouse Brain Using In Utero Electroporation. J. Vis. Exp. (2017) This video demonstrates time-lapse confocal microscopy to observe cortical neuron radial migration from the subventricular zone to the cortical plate via radial glial scaffolds in transduced mouse embryonic brain slices.
FAQs
Its position along the thumb-side of the forearm becomes relatively superficial near the wrist, allowing arterial pulsations to be detected through the surrounding tissues. This anatomical accessibility makes the vessel useful for pulse assessment without requiring access to deeper structures, linking regional anatomy with a practical measure of circulation.
Near the hand, the radial artery contributes to the deep palmar arch, an arterial pathway associated with blood distribution in the palm. Through this connection, flow arriving from the forearm can participate in supplying surrounding hand tissues, showing how the vessel’s course supports circulation beyond the wrist.
The radial artery receives oxygen-rich blood through its continuation from the brachial artery toward the wrist and hand. This relationship places it within the upper-limb arterial pathway, connecting a larger proximal vessel with more distal circulation and helping explain why its pulse reflects blood movement through the forearm.
The vessel provides a convenient site for obtaining an arterial blood sample because of its accessible position in the forearm and wrist region. Sampling here gives clinicians access to blood within an artery rather than a vein, while its identifiable location supports practical clinical assessment and collection.
Its accessible course near the wrist allows a monitoring catheter to be placed in the radial artery when arterial access is required. The vessel’s location supports this clinical use while also connecting the catheter site to the arterial circulation of the forearm and hand.
The vessel’s defined course along the forearm, accessible distal position, and contribution to the deep palmar arch provide anatomical information relevant to vascular and reconstructive procedures. Understanding these relationships helps clinicians account for blood supply to the hand and surrounding tissues when planning interventions.