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Related Concept Videos

Neurogenesis and Regeneration of Nervous Tissue01:15

Neurogenesis and Regeneration of Nervous Tissue

In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
Spinal Cord Injury ll: Pathophysiology01:14

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Spinal cord injury progresses through two interconnected phases: primary injury and secondary injury.Primary InjuryPrimary injury happens at the moment of trauma and involves immediate mechanical damage to the spinal cord.Compression happens when broken vertebrae, herniated discs, or accumulating blood (such as a hematoma) press directly against the spinal cord, distorting its normal shape and function. In cases of contusion, the cord is bruised by a blunt force (like penetrating injuries or...
Overview of Regeneration and Repair01:19

Overview of Regeneration and Repair

Regeneration and repair processes are critical in healing damages caused by injury, disease, and aging. In regeneration, the damaged tissue is entirely replaced with new growth that restores the original architecture and function. In contrast, tissue repair usually results in a fixed tissue architecture involving scar formation. Scars generally do not reestablish tissue function and may also exhibit structural abnormalities at the injury site.
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Related Experiment Video

Updated: Jun 2, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
07:13

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing

Published on: October 20, 2021

Nerve regeneration problems in a clinical perspective.

G Lundborg1

  • 1Department of Hand Surgery, University of Lund, Malmö General Hospital, S-214 01 Malmö (Sweden).

Restorative Neurology and Neuroscience
|May 10, 2011
PubMed
Summary
This summary is machine-generated.

Peripheral nerve repair remains difficult, with poor functional recovery. Growth factors and micro-environmental proteins are key to regulating axonal growth and direction after nerve injury.

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Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling
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Last Updated: Jun 2, 2026

Implantation and Control of Wireless, Battery-free Systems for Peripheral Nerve Interfacing
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Published on: October 20, 2021

Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling
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Anatomically Inspired Three-dimensional Micro-tissue Engineered Neural Networks for Nervous System Reconstruction, Modulation, and Modeling

Published on: May 31, 2017

Area of Science:

  • Neuroscience
  • Regenerative Medicine

Background:

  • Peripheral nerve injuries pose significant clinical challenges.
  • Microsurgical repair often yields incomplete motor and sensory recovery due to axonal misdirection and slow outgrowth.

Purpose of the Study:

  • To explore the role of growth factors and micro-environmental factors in peripheral nerve regeneration.
  • To identify potential therapeutic targets for improving nerve repair outcomes.

Main Methods:

  • Review of recent experimental data on nerve regeneration.
  • Analysis of the molecular mechanisms regulating axonal growth and directionality.

Main Results:

  • Growth factors synthesized by damaged nerve tissue are crucial for axonal regeneration.
  • Protein-associated neurite-promoting factors in the local micro-environment significantly influence axonal guidance.

Conclusions:

  • Understanding the role of growth factors and micro-environmental cues is vital for advancing peripheral nerve repair.
  • Future clinical strategies should leverage this knowledge for enhanced nerve injury treatment.