Dura mater - Function, Location & Layers - Neuroanatomy | Kenhub

In this video you will learn the anatomy, location, function and layers of the dura mater, one of the meninges of the brain. Take our meninges quiz at https://khub.me/qaqmv !

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Meninges are connective tissue membranes that line the neurocranium and vertebral canal enclosing the central nervous system. The meninges are connective tissue membranes providing protection to the brain and spinal cord and channelling the cerebrospinal fluid (CSF).

In this video tutorial we will learn about the dura mater. The dura mater (lat. 'hard mother') is a thick and fibrous membrane, forming the outermost layer of the meninges, the other layers being the arachnoid and pia mater. The two layers of the dura mater separate from each other in some places forming dural infoldings:

- Falx cerebri
- Tentorium cerebelli
- Falx cerebelli
- Diaphragma sellae

The separation of the two layers also creates cranial venous channels, known as dural venous sinuses, that drain venous blood into the internal jugular vein and back to the heart. In this tutorial we will cover all the aspects you need to know about the dura mater:

- 0:12 layers of the meninges
- 0:55 structure and layers of the dura mater
- 1:40 formation of subdural and epidural spaces
- 2:23 dural infoldings
- 3:25 dural venous sinuses
- 4:13 spinal dura mater
- 5:30 innervation by trigeminus, vagus, C1, C2 and C3

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