Tentorium cerebelli
Tentorium cerebelli
Tentorium cerebelli (pronunciation: ten-tor-ee-um ser-uh-bel-eye) is a significant structure in the human brain. It is a part of the cranial meninges, which are the protective layers surrounding the brain.
Etymology
The term "tentorium cerebelli" originates from the Latin words "tentorium" meaning "tent" and "cerebellum" meaning "little brain". This is due to the structure's tent-like appearance over the cerebellum, a part of the brain.
Anatomy
The tentorium cerebelli is an extension of the dura mater, the outermost layer of the meninges. It separates the cerebellum from the overlying cerebrum. It is shaped like a tent, hence the name, and is positioned in the posterior part of the cranial cavity.
Function
The primary function of the tentorium cerebelli is to provide support and protection to the cerebellum. It also creates a space known as the tentorial notch, through which the brainstem passes.
Related Terms
- Meninges: The three layers of membranes that cover the brain and spinal cord.
- Cerebellum: The part of the brain at the back of the skull that coordinates and regulates muscular activity.
- Cerebrum: The largest part of the brain, responsible for higher brain functions such as thought and action.
- Dura mater: The tough outermost membrane enveloping the brain and spinal cord.
- Brainstem: The part of the brain that connects the cerebrum with the spinal cord and controls many basic functions like breathing and heart rate.
External links
- Medical encyclopedia article on Tentorium cerebelli
- Wikipedia's article - Tentorium cerebelli
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