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Related Concept Videos

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The inner ear assumes dual functionalities of auditory perception and equilibrium maintenance. The vestibule is the organ responsible for balance. This organ contains mechanoreceptors, specifically hair cells, endowed with stereocilia, which aid in deciphering information regarding the position and motion of our heads. Two intrinsic components, the utricle and saccule, help perceive head position, while the semicircular canals track head movement. Neurological messages initiated in the...
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IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
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The vestibular system is a set of inner ear structures that provide a sense of balance and spatial orientation. This system is comprised of structures within the labyrinth of the inner ear, including the cochlea and two otolith organs—the utricle and saccule. The labyrinth also contains three semicircular canals—superior, posterior, and horizontal—that are oriented on different planes.
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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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As the name indicates, at a cartilaginous joint, the adjacent bones are united by cartilage, a tough but flexible type of connective tissue. Unlike synovial joints, these types of joints lack a joint cavity and involve bones joined together by either hyaline cartilage or fibrocartilage.
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Related Experiment Video

Updated: Nov 9, 2025

Optical Sectioning and Visualization of the Intervertebral Disc from Embryonic Development to Degeneration
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Cervical intervertebral disc degeneration and dizziness.

Tang-Hua Liu1, Yan-Qing Liu2, Bao-Gan Peng3

  • 1Department of Algology, The Third People's Hospital of Yibin, Yibin 644000, Sichuan Province, China.

World Journal of Clinical Cases
|April 14, 2021
PubMed
Summary

Cervical degenerative disease can cause dizziness due to stimulated mechanoreceptors in degenerated discs. Anterior cervical surgery may alleviate this dizziness and associated neck pain.

Keywords:
Cervical discogenic dizzinessCervical intervertebral disc degenerationCervical spondylosisCervicogenic dizzinessMechanoreceptorsNeck pain

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A Proinflammatory, Degenerative Organ Culture Model to Simulate Early-Stage Intervertebral Disc Disease.
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Area of Science:

  • Neurology
  • Orthopedics
  • Pathology

Background:

  • Cervical degenerative disease is frequently associated with dizziness in patients.
  • Anterior cervical surgery can resolve chronic neck pain and neurological symptoms, including dizziness.

Purpose of the Study:

  • To investigate the role of cervical degenerative disease in causing dizziness.
  • To explore the pathomechanisms linking cervical disc degeneration to dizziness.

Main Methods:

  • Immunohistochemical analysis of degenerated cervical discs to identify mechanoreceptors.
  • Review of clinical studies on patients with cervical degenerative disease and dizziness.

Main Results:

  • Degenerated cervical discs contain abundant mechanoreceptors, particularly Ruffini corpuscles.
  • Inflammatory cytokines in degenerated discs stimulate mechanoreceptors, leading to peripheral sensitization and dizziness.
  • Neck pain associated with disc degeneration may exacerbate dizziness by increasing muscle spindle sensitivity.

Conclusions:

  • Ruffini corpuscles in degenerated cervical discs play a crucial role in cervical discogenic dizziness.
  • Abnormal cervical proprioception contributes to sensory mismatch and dizziness.
  • Diagnosis can be challenging, requiring exclusion of other causes; conservative treatment is often effective.