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Related Concept Videos

Spinal Cord01:26

Spinal Cord

2.0K
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.
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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 Cord: Information Processing01:10

Spinal Cord: Information Processing

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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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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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Spinal Cord: Cross-sectional Anatomy01:16

Spinal Cord: Cross-sectional Anatomy

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The cross-sectional anatomy of the spinal cord offers a detailed view of its complex structure and function within the central nervous system. At the core of the spinal cord lies the gray matter, characterized by its butterfly or "H"-shaped appearance in cross-section. This central region is enveloped by white matter, with the overall structure divided into symmetrical halves by the dorsal median sulcus and the ventral median fissure.
Gray Matter and its Components
Central to the gray matter is...
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Sperm Transport01:15

Sperm Transport

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The journey of sperm from its origin to the point of ejaculation begins within the seminiferous tubules of the testis. Here, Sertoli cells produce fluid that propels non-motile sperm through a series of conduits, starting with the straight tubules leading to the rete testis. This interconnected network of tubules acts as the initial pathway for sperm, guiding them into the efferent ductules and then into the epididymis for maturation.
The maturation phase occurs in the epididymis, where sperm...
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Related Experiment Video

Updated: Feb 14, 2026

Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton
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Training Persons with Spinal Cord Injury to Ambulate Using a Powered Exoskeleton

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Improving Sperm Viability After Spinal Cord Injury Using Hyperbaric Therapy.

Asdrubal Falavigna1, Pedro G da Silva1, Lucas P Conzatti1

  • 1Department of Neurosurgery, University of Caxias do Sul, Caxias do Sul, Rio Grande do Sul, Brazil.

World Neurosurgery
|February 13, 2018
PubMed
Summary

Spinal cord injury (SCI) impairs sperm viability. Hyperbaric therapy (HT) significantly improved sperm viability in rats with SCI, offering a potential treatment for infertility after spinal cord injury.

Keywords:
HyperbaricInfertilityOxygen therapyRatsSemen analysisSpinal cord injury

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Related Experiment Videos

Last Updated: Feb 14, 2026

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Area of Science:

  • Reproductive Medicine
  • Neurology
  • Hyperbaric Medicine

Background:

  • Infertility is a common complication of spinal cord injury (SCI) in males.
  • Male infertility significantly impacts patients during their reproductive years.
  • This study investigates hyperbaric therapy (HT) as a potential treatment for SCI-induced infertility.

Purpose of the Study:

  • To evaluate the effects of hyperbaric therapy (HT) on sperm quality in rats with SCI.
  • To correlate sperm quality changes with testicular histology.
  • To determine if HT can mitigate infertility associated with SCI.

Main Methods:

  • Eighteen rats underwent SCI using a MASCIS Impactor and were randomized into HT or control groups.
  • Testicular biopsies were collected on days 1 and 28 post-SCI.
  • Sperm concentration, round cells, inflammatory cells (peroxidase test), and sperm viability (hypo-osmotic swelling test) were assessed.

Main Results:

  • No significant difference in sperm concentration or inflammatory cell counts between groups.
  • Sperm viability decreased significantly in the control group from day 1 to day 28 (P=0.001).
  • The HT group exhibited significantly higher sperm viability (86.8%) compared to the control group (48.8%) on day 28 (P=0.001).

Conclusions:

  • SCI increased inflammatory cells and reduced sperm viability in both groups.
  • Hyperbaric therapy demonstrated a significant positive effect on sperm viability in rats with SCI.
  • HT may be a promising therapeutic strategy for improving fertility outcomes post-SCI.