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Related Concept Videos

Pain01:20

Pain

2.0K
Pain serves as a critical warning signal that alerts the body to potential or actual harm. When mechanical pressure on the skin is intense, such as from a sharp pinch, the sensation transitions from touch to pain. Similarly, extreme temperatures, like a hot pot handle, convert the sensation of heat into pain. Pain can also result from overstimulation of other senses, such as blinding light, loud noise, or the intense heat from habañero peppers. This ability to sense pain is essential for...
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Nociception01:44

Nociception

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Nociception—the ability to feel pain—is essential for an organism’s survival and overall well-being. Noxious stimuli such as piercing pain from a sharp object, heat from an open flame, or contact with corrosive chemicals are first detected by sensory receptors, called nociceptors, located on nerve endings. Nociceptors express ion channels that convert noxious stimuli into electrical signals. When these signals reach the brain via sensory neurons, they are perceived as pain.
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Analgesia and Pain Management01:25

Analgesia and Pain Management

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Pain is critical to various clinical pathologies, provoking an urgent need for effective management. Pain, whether acute or chronic, is a complex neurochemical process. Its alleviation depends on the type, with nonopioid analgesics effective for mild to moderate pain, such as musculoskeletal or inflammatory pain, while neuropathic pain responds best to anticonvulsants, tricyclic antidepressants, or serotonin/norepinephrine reuptake inhibitors. For severe acute or chronic pain, opioids may be...
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Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

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Bones are dynamic organs that require a rich supply of oxygen and nutrients. Around 5% to 10% of the cardiac output supplies blood to the bones. A typical long bone has three main sources: the nutrient artery, the metaphyseal and epiphyseal arteries, and the periosteal arteries.
Nutrient Artery
The nutrient artery is the main blood vessel that enters the diaphysis via the nutrient foramen. While most long bones have only one nutrient foramen, large bones, such as the femur, may have two. This...
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Chronic Pancreatitis I: Introduction01:24

Chronic Pancreatitis I: Introduction

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The pancreas, an elongated and flat gland situated behind the stomach, serves a vital function in digesting food and managing blood sugar levels.
Pancreatitis is the inflammation of the pancreas, which occurs when the immune system becomes active and causes swelling, pain, and disruptions in organ function. Pancreatitis can manifest as either an acute or chronic condition.
Acute pancreatitis arises suddenly and lasts for a brief duration, while chronic pancreatitis is a long-term affliction...
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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.
The Lumbar Plexus
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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Related Experiment Video

Updated: Apr 22, 2026

Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing
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Dynamic Quantitative Sensory Testing to Characterize Central Pain Processing

Published on: February 16, 2017

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Central pain.

Supreet Singh

    Journal of Pain & Palliative Care Pharmacotherapy
    |October 9, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Central pain is a neuropathic pain syndrome resulting from brain or spinal cord lesions. This condition, caused by diseases like multiple sclerosis or stroke, leads to debilitating pain perception and will be explored.

    Keywords:
    central painneuropathic painsensory process

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    Area of Science:

    • Neurology
    • Pain Medicine
    • Patient Education

    Background:

    • Central pain is a neuropathic pain syndrome.
    • It arises from lesions in the central nervous system (brain or spinal cord).
    • This sensitization leads to a heightened perception of pain.

    Purpose of the Study:

    • To educate patients about central pain.
    • To provide information on analgesic pharmacotherapy for central pain.
    • To empower patients to be effective self-advocates.

    Main Methods:

    • Patient-reported questions on pain conditions.
    • Author responses regarding central pain and its management.
    • Discussion of pharmacological and non-pharmacological therapies.

    Main Results:

    • Central pain can be caused by multiple sclerosis, strokes, spinal cord injuries, or brain tumors.
    • Symptoms of central pain are varied.
    • Effective management strategies involve both medication and non-medication approaches.

    Conclusions:

    • Central pain is a complex neuropathic condition requiring comprehensive understanding.
    • Patient education is crucial for managing this debilitating pain syndrome.
    • A combination of therapies is often necessary for optimal patient outcomes.