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Related Concept Videos

Cerebral Hemispheres01:05

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 main and largest component of the human brain is the cerebrum. The cerebrum consists of two main parts: the cerebral cortex, an outer layer with wrinkles or folds known as gyri and shallow grooves called sulci, and a deeper region beneath it. The cerebrum divides into two distinct hemispheres and contains five different lobes: the frontal, parietal, temporal, occipital, and insula. The central sulcus separates the frontal and parietal lobes and two functionally important gyri — the...
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Lateralization01:28

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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Spinal Cord: Cross-sectional Anatomy01:16

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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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The cerebellum, also known as the "little brain," is located in the posterior cranial fossa, inferior to the tentorium cerebelli and dorsal to the brainstem. It plays a significant role in motor control, coordination, and proprioception.
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Related Experiment Video

Updated: Mar 18, 2026

Exploring Deep Space - Uncovering the Anatomy of Periventricular Structures to Reveal the Lateral Ventricles of the Human Brain
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The Corpus Callosum and Forensic Issues-An Overview.

Roger W Byard1

  • 1School of Medicine, The University of Adelaide, Frome Rd, Adelaide, SA, 5005, Australia.

Journal of Forensic Sciences
|July 2, 2016
PubMed
Summary

Forensic examination of the corpus callosum, a key brain structure, can reveal lesions with legal significance. Identifying these injuries aids in understanding underlying conditions and their forensic implications.

Keywords:
agenesiscorpus callosumdemyelinationforensic sciencetraumawhite matter

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Area of Science:

  • Neuroscience
  • Forensic Pathology

Background:

  • The corpus callosum is a critical white matter tract facilitating interhemispheric communication in placental mammals.
  • Its complex structure supports sophisticated integration of sensory cortices and neural pathways.

Purpose of the Study:

  • To identify lesions and injuries within the corpus callosum with potential forensic significance.
  • To catalog diverse pathologies affecting this brain structure.

Main Methods:

  • Comprehensive literature review.
  • Examination of pathology archives at The University of Adelaide.

Main Results:

  • Identified developmental/congenital lesions (agenesis/dysgenesis, malformations, lipomas).
  • Cataloged inherited syndromes (e.g., neurofibromatosis).
  • Documented acquired lesions (trauma, neoplasia, demyelination, vascular, infections, fat embolism, aging, toxins).

Conclusions:

  • Lesions in the corpus callosum can have significant forensic implications.
  • Thorough examination of related brain areas and organ systems is crucial for diagnosis.
  • Identifying corpus callosum pathologies aids in determining the nature of underlying conditions.