What's the function of the ventricle system? - circulation and storage of the CSF, protection of the
CNS, during excessive accelerating and decelerating head movements
How many ventricles are there? - 4 (2 lateral, 3rd, 4th)
What cells are the ventricles lined with? - ependymal cells
What do the lateral ventricles connect? - third ventricle & intraventricular foramen
What does the third ventricle connect? - fourth ventricle & cerebral aqueduct
What separates the two lateral ventricles? - septum pellucidum
What shape are the lateral ventricles? - C-shaped
what does the fourth ventricle connect? - central canal
What does the lateral ventricles extend from and to? - frontal to occipital lobe
How many horns are on the lateral ventricles? - 3
Is the lateral ventricle, paired, or non-paired? - paired
Is the third ventricle paired? - no
Is the fourth ventricle paired? - no
Where is the fourth ventricle located? - between brain stem and cerebellum
, Where is the third ventricle located? - between the thalamus and hypothalamus
Where does CSF come from? - choroid plexus
What color is CSF? - Clear, colorless
Where is CSF found? - Subarachnoid space between arachnoid and pia mater
What is the function of CSF? - protection and extra cellular environment
What is the function of the meninges? - CNS protection
What are the three layers of the meninges? - dura mater, arachnoid mater, pia mater
which layer of the meninges is thick and attached to the inner surface of the skull? - dura mater
which layer of the meninges has dense, fibrous, connective tissue - dura mater
Which layer of the meninges outermost - dura mater
what are the dural folds? - falx cerebri, tentorium cerebelli, falx cerebelli
What does the falx cerebri separate? - two cerebral hemispheres
what does the falx cerebelli separate - cerebellar hemispheres
What does the tentorium cerebelli separate? - cerebrum from cerebellum
What what is the function of the arachnoid membrane? - Storage site for CSF
What kind of membrane is the arachnoid? - Nonvascular