Structural and Functional Organization of the Cerebral Hemisphere
Major sulci and their anatomical significance
The cerebral hemisphere is divided by key sulci, which serve functional roles in sensory, motor, and cognitive processing.
6/6/2025• 3 min read• 51 views
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normalintermediateHuman Anatomy
Structural and Functional Organization of the Cerebral Hemisphere
Major Sulci and Their Anatomical Significance
The cerebral hemisphere is intricately structured with folds and grooves that enhance its functional complexity. The major sulci, or fissures, of the brain play a pivotal role in dividing the cortical regions and facilitating neural processing.
Key Sulci and Their Functions
- Central Sulcus (Rolandic Fissure): Separates the frontal and parietal lobes, defining the primary motor and sensory cortices.
- Lateral Sulcus (Sylvian Fissure): Distinguishes the temporal lobe from the frontal and parietal lobes, housing critical auditory and language areas.
- Parieto-occipital Sulcus: Demarcates the parietal and occipital lobes, contributing to visual processing.
- Calcarine Sulcus: Located in the occipital lobe, it is central to visual perception and processing.
Clinical Significance
Understanding these sulci aids in diagnosing neurological disorders, mapping brain functions, and guiding neurosurgical procedures.
Tags
#cerebral sulci#central sulcus#lateral sulcus#neuroanatomy
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