What three things protect the brain?
Cerebral Spinal Fluid
Where does the brain get nutrients?
What are some autonomic tasks?
What is the cerbral cortex?
The outer layer of the brain
Where does the word "cerebral" come from?
The word for "cork" or "bark"
The cerbral cortex is the thin outer layer of the _____ the contains the _____ (______)
Neural Tissue (Neurons)
Are all layers of the cerbral cortex the same?
Some are thicker and some are thinner
What is the triple layer of bone called?
What are the three meninges called?
What is the Dura Mater?
A tough, leathery fibrous lining that attaches to the skull
What does Dura Mater mean?
Is the Dura Mater a single layer?
It splits into two layers in places and allows for CSF to enter
These are called sinuses
What is the Arachnoid Mater?
Has many blood vessels
What does "Arachnoid Mater" mean?
What are the Arachnoid Granulations?
Extentions of the arachnoid mater that intrude into the dura mater sinuses
What do the Arachnoid Granulations do?
What is another name for the Arachnoid Granulations?
What are the Arachnoid Trabeculae?
Delicate strands of connective tissue that loosely connect the arachnoid mater and the pia mater
What do the Arachnoid Trabeculae do?
Creates the subarachnoid space which contains cerebrospinal fluid
What does Pia Mater mean?
What is the Pia Mater?
Most inferior meninge
Adheres to the brain
What does cerebral spinal fluid do?
Helps the brain to float and avoid mild impact injuries
Removes waste created from neural firing
What does Epidural mean?
Above the dura mater
What is another name for epidural?
What does subdural mean?
Between the dura mater and arachnoid mater
What does subarachnoid mean?
Under the arachnoid mater
What is the Superior Sagittal Sinus?
A sinus formed by two layers of the dura mater
Forms at the superior junction of the two hemispheres
Where is CSF formed
By the ependymal cells
Where are the ependymal cells?
In the Choroid Plexus
CSF is a ____ derivative.