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Related Concept Videos

Overview of Somatic Sensory Pathways01:29

Overview of Somatic Sensory Pathways

5.3K
Somatic sensory or somatosensory pathways refer to the neural pathways that carry information related to touch, pressure, pain, temperature, and proprioception from the skin, muscles, tendons, and joints to the brain. These pathways involve several stages of processing and integration of sensory information.
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
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Major Somatic Sensory Pathways01:28

Major Somatic Sensory Pathways

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Sensory impulses related to touch, pressure, vibration, and proprioception from various body parts, such as the limbs, trunk, neck, and posterior head, travel to the cerebral cortex through the posterior column-medial lemniscus pathway. The pathway’s name derives from the two white-matter tracts that convey the impulses: the spinal cord's posterior column and the brainstem's medial lemniscus. First-order sensory neurons extend their axons into the spinal cord, forming the...
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Indirect Motor Pathways01:22

Indirect Motor Pathways

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The indirect motor or extrapyramidal pathways originate in the brainstem, the lower portion of the brain that connects it to the spinal cord. They consist of several distinct tracts, each with specialized functions. The four main tracts of the indirect motor pathways are the vestibulospinal tract, the reticulospinal tract, the tectospinal tract, and the rubrospinal tract.
The vestibulospinal tract originates in the vestibular nuclei of the brainstem. The vestibular system detects changes in...
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Spinal Cord01:26

Spinal Cord

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The spinal cord, a critical component of the central nervous system, extends from the base of the brainstem to the lumbar region of the vertebral column. It is essential for maintaining physical stability and facilitating communication between the brain and peripheral parts of the body.
589
Spinal Cord: Information Processing01:10

Spinal Cord: Information Processing

1.7K
The spinal cord is an integral hub for motor and sensory information that enables the brain to communicate with the peripheral nervous system (PNS). This communication consists of relaying sensory data and transmission of motor commands.
Sensory Information Processing
Sensory information processing begins at the sensory receptors located in the skin and other tissues, which detect somatic sensory stimuli such as touch, temperature, or pain. These receptors function as catalysts, initiating...
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Direct Motor Pathways01:11

Direct Motor Pathways

2.4K
The direct motor pathways, also known as the pyramidal tracts, are a group of neural pathways that originate in the brain and descend through the spinal cord. They control the voluntary movement of the body. There are two major direct motor pathways: the corticospinal and the corticobulbar tracts.
The corticospinal tract is responsible for the voluntary movement of the limbs and trunk. It originates in the cerebral cortex of the brain and descends through the cerebrum's internal capsule and...
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Related Experiment Video

Updated: Sep 10, 2025

Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI
14:55

Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI

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Current Mechanobiological Pathways and Therapies Driving Spinal Health.

Rahul Kumar1, Kyle Sporn2, Harlene Kaur3

  • 1Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA.

Bioengineering (Basel, Switzerland)
|August 28, 2025
PubMed
Summary

Spinal health relies on molecular pathways responding to mechanical and biochemical cues. Emerging regenerative therapies and neurotechnology offer new hope for restoring spinal function and improving patient quality of life.

Keywords:
bioactive biomaterialsbone repairinflammation modulationintervertebral disc degenerationmechanobiologyneural scaffoldsregenerative medicinespinal regenerationstem cell therapytissue engineering

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Biomechanical Changes Related to Low Back Pain: An Innovative Tool for Movement Pattern Assessment and Treatment Evaluation in Rehabilitation
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Methods to Quantify Pharmacologically Induced Alterations in Motor Function in Human Incomplete SCI
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Area of Science:

  • Biomedical Engineering
  • Regenerative Medicine
  • Spinal Cord Research

Background:

  • Spinal health is governed by mechanical forces, biochemical signals, and cellular activities.
  • Key molecular pathways (integrin, YAP/TAZ, Piezo, Wnt/β-catenin) and inflammatory mediators (IL-1β, IL-6, TNF-α) influence spinal tissue integrity.
  • Dysregulation of these pathways contributes to spinal disorders like degeneration, fractures, and injury.

Purpose of the Study:

  • To review the role of molecular signaling pathways in spinal health and disease.
  • To explore novel scaffold designs and stem cell therapies for spinal tissue regeneration.
  • To discuss the integration of neurotechnology for restoring function after spinal damage.

Main Methods:

  • Literature review of molecular pathways and regenerative strategies.
  • Analysis of emerging scaffold designs for bone, ligament, and neural repair.
  • Examination of stem cell-based therapies and their mechanisms (differentiation, paracrine signaling).
  • Review of neurotechnology applications, including brain-computer interfaces.

Main Results:

  • Scaffold designs are being developed to harness key molecular pathways for tissue repair.
  • Stem cell therapies show promise for disc regeneration by modulating differentiation and paracrine signaling.
  • Novel scaffolds modulate anti-inflammatory signals to enhance tissue integration and prevent degradation.
  • Neural scaffolds mimic biomechanics to activate Piezo signaling for axonal growth.
  • Combination of regenerative platforms with brain-computer interfaces aims to restore motor and sensory function.

Conclusions:

  • Implantable technologies mimicking physiological processes, molecular signaling, and biomechanics are advancing spinal repair.
  • The integration of molecular signaling, biomechanical design, and neurotechnology opens new avenues for restoring spinal function.
  • These advancements hold significant potential for improving the quality of life for individuals with spinal disorders.