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Related Concept Videos

Spinal Nerves: Anatomy01:23

Spinal Nerves: Anatomy

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Spinal nerves are pivotal conduits in the nervous system, bridging the central nervous system (CNS) with the peripheral nervous system (PNS). These nerves enable a complex communication network between the brain, spinal cord, and the rest of the body, facilitating sensory input, motor output, and autonomic functions.
There are 31 bilateral pairs of spinal nerves, each emerging from the spinal cord through the intervertebral foramina—openings between adjacent vertebrae. These nerves are...
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Spinal Nerves: Plexus II01:21

Spinal Nerves: Plexus II

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The plexuses of the lower body include the lumbar, sacral, and coccygeal plexuses, which innervate the abdomen, pelvis, legs, and coccygeal region. These plexuses control the transmission of sensory information and coordinate motor functions of the lower body.
The Lumbar Plexus
The lumbar plexus is situated within the lumbar region of the back and is primarily formed by the first four lumbar spinal nerves (L1 to L4). This plexus extends its branches into several nerves, including the...
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Spinal Cord: Gross Anatomy01:15

Spinal Cord: Gross Anatomy

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The spinal cord resides within the protective confines of the vertebral column. It is the main pathway for information traveling between the brain and the body. It plays a fundamental role in nearly all bodily functions, from simple reflexes to complex motor movements. The spinal cord begins at the medulla oblongata at the base of the brainstem and extends downward, terminating at the conus medullaris near the first and second lumbar vertebrae. The spinal cord's length in adults is...
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The Spinal Cord01:54

The Spinal Cord

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The spinal cord is the body’s major nerve tract of the central nervous system, communicating afferent sensory information from the periphery to the brain and efferent motor information from the brain to the body. The human spinal cord extends from the hole at the base of the skull, or foramen magnum, to the level of the first or second lumbar vertebra.
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Spinal Nerves: Plexus I01:22

Spinal Nerves: Plexus I

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Nerve plexuses are networks of interlacing nerves that serve as communication hubs to distribute and organize nerve action across various body regions. The nerve plexuses are organized into the cervical plexus located in the neck region, brachial plexus in the shoulder area, lumbar plexus found in the lower back, sacral plexus situated in the pelvis, and coccygeal plexus located in the coccygeal region.
The Cervical Plexus
The cervical plexus, formed by the anterior rami of the first four...
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Related Experiment Video

Updated: May 14, 2025

Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review
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Spinal Hernia Repair and Cauda Equina Repositioning After Lumbar Decompression under Three-Dimensional Microscopy: A Case Report and Literature Review

Published on: November 8, 2024

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Cavernous malformation in the lumbar nerve rootlet.

Phi Nguyen1, Phu An Huynh1, Tra My Ton Nu2

  • 1Department of Neurosurgery, Vinmec Central Park International Hospital, Ho Chi Minh, Vietnam.

Surgical Neurology International
|May 12, 2025
PubMed
Summary
This summary is machine-generated.

Surgical removal of intradural extramedullary (IDEM) cavernomas, rare spinal tumors, can involve nerve root sacrifice. This case demonstrates successful total excision of an IDEM cavernoma with the L4 nerve root, resulting in no new neurological deficits.

Area of Science:

  • Neurosurgery
  • Spinal Surgery
  • Vascular Neurology

Background:

  • Intradural extramedullary (IDEM) cavernomas are uncommon vascular malformations within the spinal canal.
Keywords:
CavernomaExtramedullaryIntraduralNerve rootSurgery

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  • Surgical management strategies for IDEM cavernomas remain incompletely defined.
  • These lesions can present with neurological symptoms requiring intervention.