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Related Concept Videos

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Cerebral Hemispheres

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The human brain, a complex organ, is functionally divided into two cerebral hemispheres—left and right. These hemispheres are interconnected by a structure of paramount importance, the corpus callosum. This substantial bundle of neural fibers is not just a bridge between the hemispheres but a crucial element for the brain's comprehensive functioning. It enables efficient communication between the two hemispheres, allowing each side of the brain to control and receive sensory and motor...
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Each cerebral hemisphere can be divided into three main regions. The outermost region, the cerebral cortex, is a thin layer (2 to 4 millimeters thick) made up of gray matter, consisting of neuron cell bodies, dendrites, glial cells, and blood vessels. The middle region, or white matter, is primarily composed of myelinated nerve fibers organized into three types of large tracts: association fibers, commissures, and projection fibers. Association fibers connect different areas within the same...
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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.
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Related Experiment Video

Updated: Nov 4, 2025

Fiber Connections of the Supplementary Motor Area Revisited: Methodology of Fiber Dissection, DTI, and Three Dimensional Documentation
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Corpus Callosum and Its Connections: A Fiber Dissection Study.

Abhidha Shah1, Sukhdeep Jhawar1, Aimee Goel2

  • 1Department of Neurosurgery, K.E.M. Hospital and Seth G.S. Medical College, Parel, Mumbai.

World Neurosurgery
|May 25, 2021
PubMed
Summary
This summary is machine-generated.

This study details the intricate fiber connections of the corpus callosum using white fiber dissection. Understanding these pathways is crucial for safe surgical approaches to brain tumors and lesions.

Keywords:
Callosal radiationsCorpus callosumFiber dissectionKlingler's techniqueWhite fibers

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Area of Science:

  • Neuroanatomy
  • Neurosurgery
  • Human Brain Anatomy

Background:

  • The corpus callosum facilitates interhemispheric communication.
  • Detailed knowledge of its fiber architecture is essential for neurosurgical procedures.

Purpose of the Study:

  • To meticulously dissect and illustrate the extensive fiber connections of the corpus callosum.
  • To provide anatomical insights for optimizing surgical strategies involving the corpus callosum.

Main Methods:

  • Fine white fiber dissection of formalin-fixed human brain specimens.
  • Utilized Klingler's dissection technique to expose superior and inferior callosal connections.

Main Results:

  • Corpus callosum length averaged 7.8 cm; dorsal radiation measured 8.1 cm.
  • Identified distinct superior/dorsal, inferior/ventral, anterior, and posterior fiber radiations.
  • Determined safe surgical corridors for anterior interhemispheric approaches.

Conclusions:

  • The corpus callosum connects all cerebral lobes, insular, limbic, and paralimbic areas.
  • Recommends transverse incisions during callosotomy to split, not transect, fibers for intraventricular access.
  • Enhances understanding of glioma growth and surgical planning.