Median fissure

The Median Fissure or Medial Fissure is a prominent anatomical feature found in various organs and structures within the human body. It is typically a deep groove or cleft that divides an organ or structure into two nearly equal parts. The term is most commonly used in the context of the brain and the tongue.

Brain

In the context of the brain, the median fissure, also known as the Longitudinal Fissure, is a deep groove that separates the two Cerebral Hemispheres. This fissure extends from the front of the brain to the back, dividing it into the left and right hemispheres. Each hemisphere is responsible for controlling the opposite side of the body, and they also have different functions. For example, in most people, the left hemisphere is dominant for language and the right hemisphere is dominant for spatial abilities.

Tongue

In the context of the tongue, the median fissure, also known as the Median Sulcus or Median Lingual Sulcus, is a shallow groove that runs longitudinally along the dorsal surface of the tongue. This groove divides the tongue into two symmetrical halves. The median sulcus is more prominent at the back of the tongue and becomes less noticeable as it extends towards the tip.

Other Organs

The term median fissure can also refer to similar features in other organs, such as the Median Lobe of the prostate gland and the Median Raphe of the penis.

See Also

• Fissure (anatomy)
• Sulcus (neuroanatomy)
• Cerebral Hemisphere
• Tongue

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