Lateral fissure meaning

The lateral fissure is a deep groove that separates the frontal and parietal lobes from the temporal lobe in the brain.


Lateral fissure definitions

Word backwards laretal erussif
Part of speech Noun
Syllabic division lat-er-al fis-sure
Plural The plural of lateral fissure is lateral fissures.
Total letters 14
Vogais (4) a,e,i,u
Consonants (5) l,t,r,f,s

The lateral fissure, also known as the Sylvian fissure, is a prominent anatomical landmark located in the brain. It separates the frontal and parietal lobes of the brain from the temporal lobe. This deep groove runs horizontally from the base of the brain towards the top, dividing the lobes and creating distinct regions.

Anatomy of the Lateral Fissure

The lateral fissure begins at the under surface of the brain near the midline and extends outward and slightly upward towards the lateral surface of the brain. It curves upwards and backwards, creating a characteristic "C" shape. This fissure is one of the most significant sulci in the human brain, dividing the cerebral cortex into separate lobes.

Function of the Lateral Fissure

The lateral fissure plays a crucial role in separating different functional regions of the brain. It is involved in processes such as language, attention, and sensory processing. This structure also provides important landmarks for neurosurgeons and researchers studying the complexities of the human brain.

Clinical Significance

Damage to the lateral fissure can result in various neurological deficits, depending on the extent and location of the injury. Conditions such as strokes or tumors near this fissure can impact speech, motor function, and sensory processing. Understanding the anatomy and function of the lateral fissure is essential for diagnosing and treating various neurological disorders.

In conclusion, the lateral fissure is a critical structure in the human brain, playing a significant role in the organization and functioning of different brain regions. Its distinct anatomy and functions make it a key area of study for neuroscientists and healthcare professionals striving to unravel the complexities of the human brain.


Lateral fissure Examples

  1. The lateral fissure is a prominent anatomical landmark on the brain's surface.
  2. Doctors use the lateral fissure as a guide during brain surgery.
  3. An MRI scan revealed an abnormality near the lateral fissure.
  4. The lateral fissure separates the frontal and parietal lobes of the brain.
  5. Researchers are studying the functions of the brain regions adjacent to the lateral fissure.
  6. Damage to the lateral fissure can result in cognitive impairments.
  7. The lateral fissure is also known as the Sylvian fissure.
  8. Neuroscientists are investigating the connectivity of brain networks involving the lateral fissure.
  9. The lateral fissure plays a key role in language processing.
  10. Understanding the anatomy of the lateral fissure is crucial for interpreting brain imaging results.


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  • Updated 02/04/2024 - 15:19:11