Sulcus lunatus
Sulcus lunatus
Sulcus lunatus (pronounced: /ˈsʌlkəs luːˈneɪtəs/), also known as the lunate sulcus, is a fissure in the brain that separates the occipital lobe and the parietal lobe. The term is derived from the Latin words 'sulcus', meaning 'groove' or 'furrow', and 'lunatus', meaning 'moon-shaped'.
Anatomy
The sulcus lunatus is a prominent feature of the primate brain, particularly in hominids. It is located in the occipital lobe, near the parietal lobe. The sulcus lunatus is a crucial landmark for neuroanatomists as it helps in distinguishing the primary visual cortex from the secondary visual cortex.
Function
The sulcus lunatus plays a significant role in visual processing. It demarcates the primary visual cortex, which is responsible for processing visual information received from the retina, from the secondary visual cortex, which is involved in the interpretation of visual stimuli.
Related Terms
- Sulcus (neuroanatomy): A groove or furrow in the brain.
- Occipital lobe: The region of the brain responsible for visual processing.
- Parietal lobe: The region of the brain involved in processing sensory information.
- Visual cortex: The part of the brain that processes visual information.
External links
- Medical encyclopedia article on Sulcus lunatus
- Wikipedia's article - Sulcus lunatus
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