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Related Concept Videos

Parkinson's Disease: Overview01:15

Parkinson's Disease: Overview

Neurodegenerative disorders are progressive diseases that cause irreversible damage and loss to neurons in specific brain areas. Examples of these disorders include Parkinson's disease, Alzheimer's disease, Multiple Sclerosis (MS), and Amyotrophic Lateral Sclerosis (ALS). These disorders share characteristics such as proteinopathies, selective neuronal vulnerability, and a complex interplay between genetic and environmental factors. The primary therapeutic goal for these conditions is to...
Parkinson's Disease: Treatment01:24

Parkinson's Disease: Treatment

Neurodegenerative disorders, such as Parkinson's Disease (PD), involve the gradual and irreversible destruction of neurons in particular brain areas. These disorders exhibit standard features like proteinopathies, selective vulnerability of some neurons, and an interaction of intrinsic properties, genetics, and environmental influences in neural injury.
Parkinson's Disease is primarily a result of the loss of dopaminergic neurons in the substantia nigra pars compacta. The cornerstone of its...
Parkinson Disease ll: Pathophysiology01:24

Parkinson Disease ll: Pathophysiology

Parkinson disease (PD) is a progressive neurodegenerative disorder primarily affecting movement, with additional non-motor features. Its pathophysiology involves complex interactions among genetic susceptibility, environmental exposures, and cellular dysfunction, including dopaminergic neuron loss, protein aggregation, and mitochondrial impairment.Selective NeurodegenerationA key feature is the degeneration of dopaminergic neurons in the substantia nigra pars compacta, leading to reduced...
Parkinson Disease l: Introduction01:24

Parkinson Disease l: Introduction

Parkinson’s disease is a chronic, progressive neurodegenerative disorder that primarily affects movement. It is characterized by motor symptoms such as resting tremors, muscle rigidity, bradykinesia (slowness of movement), and postural instability. Patients may notice hand tremors at rest, stiffness during movement, or a shuffling gait. In addition to motor features, non-motor symptoms include sleep disturbances, mood and behavioral changes, constipation, and cognitive impairment, all of which...
Alterations in Muscle Tone lll01:11

Alterations in Muscle Tone lll

Rigidity and myotonia are distinct abnormalities of muscle tone that affect resistance and relaxation during movement. Although both involve altered muscle contraction, they arise from different neurological and muscular mechanisms.CharacteristicsRigidity is characterized by uniform resistance to passive movement across the entire range, independent of speed, affecting flexors and extensors equally. It may appear as lead-pipe rigidity (smooth, constant resistance) or cogwheel rigidity...
Alterations in Muscle Tone ll01:12

Alterations in Muscle Tone ll

Alterations in muscle tone are common manifestations of neurological disorders and reflect dysfunction within different nervous system regions. Spasticity, paratonia, and dystonia represent distinct forms of hypertonia, each with unique mechanisms, clinical features, and diagnostic importance.CharacteristicsSpasticity happens from upper motor neuron lesions and is characterized by velocity-dependent resistance to passive movement. Clinical features include:Exaggerated deep tendon reflexesClonus...

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Related Experiment Video

Updated: May 28, 2026

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
03:26

Detrusor Underactivity Model in Rats by Conus Medullaris Transection

Published on: August 28, 2020

Bladder dysfunction and parkinsonism: current pathophysiological understanding and management strategies.

Lysanne Campeau1, Roberto Soler, Karl-Erik Andersson

  • 1Institute for Regenerative Medicine, Wake Forest University School of Medicine, Medical Center Boulevard, Winston Salem, NC 27157, USA.

Current Urology Reports
|October 12, 2011
PubMed
Summary

Parkinson's disease (PD) often causes lower urinary tract symptoms (LUTS) due to neurodegeneration. Understanding these urinary dysfunctions in PD is crucial for developing effective, non-empirical treatments.

Related Experiment Videos

Last Updated: May 28, 2026

Detrusor Underactivity Model in Rats by Conus Medullaris Transection
03:26

Detrusor Underactivity Model in Rats by Conus Medullaris Transection

Published on: August 28, 2020

Area of Science:

  • Neurology
  • Urology

Background:

  • Parkinson's disease (PD) is characterized by nigrostriatal dopaminergic pathway neurodegeneration.
  • Lower urinary tract symptoms (LUTS) affect over half of PD patients, but the underlying mechanisms remain unclear.
  • Current LUTS treatments in PD are largely empirical due to poor understanding of pathophysiology.

Purpose of the Study:

  • To review recent evidence on the pathophysiological mechanisms of voiding dysfunction in Parkinson's disease.
  • To explore available therapeutic strategies for PD-related LUTS.

Main Methods:

  • Literature review of recent studies on PD and LUTS.
  • Analysis of pathophysiological and neurochemical mechanisms.
  • Examination of current and emerging treatment options.

Main Results:

  • Neurodegeneration in PD explains motor symptoms but not fully the urinary dysfunction.
  • Pathophysiological understanding of PD-related LUTS is limited.
  • Effective treatments require a clearer grasp of the underlying mechanisms.

Conclusions:

  • Further research into the neurochemical and pathophysiological basis of LUTS in PD is essential.
  • Developing targeted therapies for PD-related voiding dysfunction necessitates a deeper mechanistic understanding.
  • This review consolidates current knowledge to guide future research and clinical practice.