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Related Concept Videos

Blood and Nerve Supply to the Bones01:29

Blood and Nerve Supply to the Bones

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...
Pain01:20

Pain

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...
Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies01:28

Peptic Ulcer Disease III: Clinical Manifestations and Diagnostic Studies

Peptic ulcer disease (PUD) presents with diverse symptoms depending on the location and severity of the ulcer. Clinical manifestations of peptic ulcer include dull pain and a burning sensation in the mid-epigastric region.
Few clinical manifestations differentiate gastric ulcers from duodenal ulcers. Distinctions in the location, timing, and pain relief are crucial for healthcare providers in differentiating between gastric and duodenal ulcers during clinical assessments.
Nociception01:44

Nociception

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. Thus, pain helps the...
Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation01:21

Peripheral Arterial Disease II: Clinical Manifestations and Diagnostic Evaluation

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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Peripheral Artery Disease V: Postoperative Nursing Management

During the postoperative period, it is crucial to focus on maintaining circulation, identifying and managing potential complications, and planning for discharge.Nursing AssessmentVital signs monitoring: Regularly monitor vital signs, including blood pressure, heart rate, respiratory rate, and temperature, to detect early signs of complications such as bleeding and infection.Circulation assessment: Monitor pulses, perform Doppler assessments, and check capillary refill, color, temperature, and...

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Related Experiment Video

Updated: May 29, 2026

Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats
07:12

Chronic Post-Ischemia Pain Model for Complex Regional Pain Syndrome Type-I in Rats

Published on: January 21, 2020

Pinpointing pain.

Ann Jaloba

    Nursing Standard (Royal College of Nursing (Great Britain) : 1987)
    |September 20, 2011
    PubMed
    Summary

    This article explores acupuncture, a key complementary therapy. Discover its applications and benefits in modern healthcare practices.

    Area of Science:

    • Integrative Medicine
    • Complementary Therapies

    Background:

    • Acupuncture is a traditional Chinese medicine technique.
    • It involves inserting thin needles into specific points on the body.

    Purpose of the Study:

    • To provide an overview of acupuncture as a complementary therapy.
    • To discuss its mechanisms of action and therapeutic applications.

    Main Methods:

    • Review of existing literature on acupuncture.
    • Analysis of clinical studies and systematic reviews.

    Main Results:

    • Acupuncture has shown efficacy in managing various conditions.
    • Evidence supports its use for pain relief, nausea, and stress reduction.

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    Published on: January 21, 2017

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    Last Updated: May 29, 2026

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    Published on: January 21, 2020

    Determining Pain Detection and Tolerance Thresholds Using an Integrated, Multi-Modal Pain Task Battery
    09:38

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    Psychophysically-anchored, Robust Thresholding in Studying Pain-related Lateralization of Oscillatory Prestimulus Activity
    07:28

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    Published on: January 21, 2017

    Conclusions:

    • Acupuncture is a valuable complementary therapy with a growing evidence base.
    • Further research is warranted to fully elucidate its potential.