Postcentral gyrus
Postcentral Gyrus
The Postcentral Gyrus (pronunciation: pohst-SEN-truhl JY-rus) is a prominent structure in the human brain that plays a crucial role in processing sensory information. It is located in the parietal lobe, immediately posterior to the central sulcus.
Etymology
The term "Postcentral Gyrus" is derived from its location in the brain. "Post" is a prefix from Latin origin meaning "after" or "behind", indicating its position posterior to the central sulcus. "Gyrus" is a term used in neuroanatomy to describe the ridges between the grooves (or sulci) on the brain's surface.
Function
The Postcentral Gyrus is primarily responsible for processing somatosensory information, including touch, temperature, and proprioception (the sense of body position). It is often referred to as the primary somatosensory cortex (S1) due to its role in receiving and interpreting sensory information from the thalamus.
Related Terms
- Central Sulcus: A deep groove in the brain separating the frontal and parietal lobes.
- Parietal Lobe: One of the four major lobes of the brain, responsible for processing sensory information.
- Somatosensory Cortex: A part of the brain that processes sensory information from the body.
- Thalamus: A structure in the brain that relays sensory and motor signals to the cerebral cortex.
See Also
External links
- Medical encyclopedia article on Postcentral gyrus
- Wikipedia's article - Postcentral gyrus
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