Related Experiment Video
Updated: Jun 20, 2026
12:39
Maximum Isometric Tetanic Force Measurement of the Tibialis Anterior Muscle in the Rat
Published on: June 26, 2021
[Review of the peripheral nerve]
1Service de neurochirurgie, CHU La Milétrie, 2, rue de la Milétrie, BP 577, 86021 Poitiers cedex, France. p.rigoard@chu-poitiers.fr
Neuro-Chirurgie
|September 29, 2009
Summary
Peripheral nerves transmit vital signals but injuries often result in incomplete recovery. Understanding the nerve
Area of Science:
- Neuroscience
- Cell Biology
Context:
- Peripheral nerves are crucial for transmitting motor, sensory, and autonomic signals.
- Peripheral nerve injuries are common and lead to significant functional deficits.
- Current treatments for nerve injuries offer unpredictable and often incomplete recovery.
Purpose:
- To explore the intrinsic properties of peripheral nerves and their response to injury.
- To elucidate the complex processes of peripheral nerve degeneration and regeneration.
- To highlight the role of glial cells in supporting neuronal survival and repair.
Summary:
- Peripheral nerves possess remarkable abilities to degenerate and spontaneously regenerate after injury.
- Nerve regeneration is a complex process influenced by glial cells and injury type.
- Despite advances, functional recovery from peripheral nerve damage remains a challenge.
Impact:
- Improved understanding of peripheral nerve regeneration can lead to better therapeutic strategies.
- Advances in cellular and molecular biology offer new avenues for medical and surgical interventions.
- Enhanced knowledge aims to significantly improve the functional prognosis for patients with nerve injuries.
Related Concept Videos
01:24Peripheral Nervous System: Ganglia and Nerves
The Peripheral Nervous System (PNS) is a crucial component of the body's neural network, extending beyond the central nervous system (CNS) to bridge the gap between the CNS and the external environment. It encompasses nerves, ganglia, and sensory receptors.
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
Nerves
The nerve is a bundle of axons that serves as the communication highway in the PNS. Each nerve is ensheathed in a protective layer of connective tissue called the epineurium. This outermost layer safeguards the nerve and supports the...
01:24Local Anesthetics: Differential Sensitivity of Nerve Fibers
Local anesthetics (LAs) block the sodium channels of nerve trunks, sensory nerve endings, and neuromuscular junctions. Although LAs can block all kinds of nerves, the sensitivity of nerve fibers differs according to nerve types and structures. LAs are known to block myelinated fibers faster than unmyelinated ones. Also, they block pain or sensory neurons at low concentrations without affecting the motor neurons involved in muscle contractions. This helps relieve labor pain without affecting the...
01:26Peripheral Artery Disease IV: Nursing Management
The nursing management of a patient with peripheral artery disease (PAD) begins with a thorough assessment of the patient’s health history and clinical manifestations.AssessmentHealth History: Evaluate the patient’s history of hypertension, hyperlipidemia, family history of cardiovascular issues, and lifestyle factors such as dietary patterns, smoking, and physical activity.Physical Examination:Assess the affected extremity for decreased or absent peripheral pulses, temperature changes,...
01:25Nervous Tissue: Myelin
The myelin sheath is a multilayered lipid and protein covering that insulates the axon of a neuron, enhancing the speed of nerve impulse conduction. Axons without this sheath are referred to as unmyelinated. Two types of neuroglia, Schwann cells in the peripheral nervous system (PNS) and oligodendrocytes in the central nervous system (CNS) are responsible for producing myelin sheaths.
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
Schwann cells begin to form myelin sheaths around axons during fetal development. They wrap around a small...
01:29Overview of Somatic Sensory Pathways
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...
The somatosensory system is divided into three main pathways: the dorsal (or posterior) column-medial lemniscus, spinothalamic (or anterolateral), and spinocerebellar pathways.
The dorsal...
01:30Peripheral Artery Disease I: Introduction
Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs, particularly the arteries supplying the thighs and calves. In rare cases, it may involve other arteries, including those in the arms.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty...