Sulcus
Sulcus
Sulcus (pronunciation: /ˈsʌlkəs/) is a term used in anatomy to describe a groove, furrow, or trench found in an organ or tissue. The term is derived from the Latin word 'sulcus', which means 'furrow' or 'groove'.
Etymology
The term 'sulcus' is derived from the Latin word 'sulcus', which means 'furrow' or 'groove'. It was first used in the English language in the late 16th century.
Usage in Anatomy
In anatomy, a sulcus is a depression or groove in the surface of the brain. It surrounds a gyrus (plural: gyri), creating the characteristic folded appearance of the brain in humans and other mammals.
There are several well-known sulci in the human brain, such as the Central Sulcus, which separates the frontal and parietal lobes, and the Lateral Sulcus (also known as the Sylvian fissure), which separates the frontal and temporal lobes.
Related Terms
- Gyrus: A ridge on the cerebral cortex. It is generally surrounded by one or more sulci.
- Fissure: A deep sulcus.
- Cortex: The outer layer of the cerebrum, composed of folded grey matter and playing an important role in consciousness.
- Cerebrum: The largest part of the brain, associated with higher brain function such as thought and action.
See Also
External links
- Medical encyclopedia article on Sulcus
- Wikipedia's article - Sulcus
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