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Related Concept Videos

Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
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Arteries of the Upper Limbs01:12

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The subclavian artery transitions into the axillary artery as it exits the chest and enters the axillary region. This artery is critical for supplying blood to the shoulder area, including the head of the humerus, through the humeral circumflex arteries. As the vessel continues into the upper arm or brachium, it becomes the brachial artery. This artery plays a key role in vascularizing the brachial region and bifurcates at the elbow into several branches. These branches include the deep...
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Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
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The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
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Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...
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Veins of Upper Limbs01:17

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The human circulatory system, a marvel of biological engineering, is a complex network of vessels that transport blood throughout the body. Among these, the veins responsible for carrying blood from the upper limbs are divided into two categories: deep and superficial.
The deep venous system is primarily composed of the ulnar and radial veins. The ulnar vein, which drains the fingers through the superficial palmar venous arches, and the radial vein, which serves the palms via the deep palmar...
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Disorders of the Autonomic Nervous System01:18

Disorders of the Autonomic Nervous System

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The autonomic nervous system (ANS) is an intricate network of nerves that controls functions such as the regulation of heart rate, digestion, and blood pressure regulation. When this system malfunctions, it can lead to various disorders that affect multiple bodily functions. One common feature of many autonomic disorders is the involvement of smooth blood vessels, which play a crucial role in regulating blood flow throughout the body.
Raynaud's disease, also known as Raynaud's...
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Development of a Neonatal Rat Model for Brachial Plexus Birth Injury
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Brachial plexopathies.

Mark A Ferrante

    Continuum (Minneapolis, Minn.)
    |October 10, 2014
    PubMed
    Summary
    This summary is machine-generated.

    A regional approach to brachial plexus assessment is crucial for accurate diagnosis and management. Understanding sensory axon pathways helps localize brachial plexus injuries, guiding effective treatment strategies.

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    Area of Science:

    • Neuroscience
    • Anatomy
    • Clinical Neurology

    Background:

    • The brachial plexus is a complex neural network vital for upper limb function.
    • Disorders often affect specific segments, necessitating a targeted assessment approach.
    • Accurate localization is key for differential diagnosis and treatment planning.

    Observation:

    • Sensory axons follow predictable pathways within the brachial plexus.
    • These known routes provide critical localizing information for injuries.
    • Regional assessment leverages this anatomical knowledge.

    Findings:

    • Specific sensory axon distributions correlate with distinct brachial plexus regions.
    • This regional mapping aids in pinpointing the location of neurological lesions.
    • Understanding these pathways enhances diagnostic precision.

    Implications:

    • Precise localization of brachial plexus lesions improves diagnostic accuracy.
    • Tailored clinical management strategies can be developed based on lesion location.
    • This regional approach is essential for effective patient care and outcomes.