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30 Cards in this Set
- Front
- Back
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what is the principal central integrator of sensory input and motor output.
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central nervous system.
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what part of the CNS is the simplist and least complex?
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bottom of the spinal cord
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list the meninges from most deep to superficial .
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pia mater
arachnoid dura mater |
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which meninge is a continual layer with the inner periosteum?
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Dura mater.
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this meninges layer is transparent and adheres to the outer surface of the brain and cord, and contains blood vessels?
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pia mater
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what structure forms the separation of cerebellum from the cerebrum?
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Tentorium cerebelli
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the falx cerebelli does what?
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sickle shaped extension that separates the two halves, or hemispheres of the cerebellum.
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what downward projection into the longitudinal fissure forms a kind of partition between two cerebral hemispheres?
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falx cerebri.
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Meningitis often involves which layers of meninges?
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arachnoid and pia mater.
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what part of the nervous system uses acetylcholine?
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Parasympathetic
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where is norepi. used in the sympathetic division?
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just after the post-ganglionic effectr neuron receptor.
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why do you use beta blockers?
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slow cardiac output and avoid vasso-constriction.
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what does the "Epidural space" consist of?
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space immediately outside the dura mater but inside the bony covering, containing fat and CT as a supporting cushion.
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where is the Subdural space?
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space between the dura mater and arachnoid mater.
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this "space" contains a significant amount of cerebrospinal fluid and is outside the pia mater?
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Subarachnoid space.
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This "space " contains a supporting cushion of fat and other connective Tissues? & is absent in the brain space?
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Epidural space
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the area of the CNS that cerebrospinal fluid travels
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Four ventrals in brain and Central canal.
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what are the functions of CSF
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1. cushion around and within CNS
2. Contains receptors to help regulate CO2 and Ph |
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what part of the CNS "reuptakes" into the venous system CSF?
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arachnoid villi
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what is a Networks of capillaries and ependymal cells in ventricle wall?
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choroid plexuses
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give the flow of CSF?
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1. starts at the lateral Ventricles (via seepage choroid plexues)
2. then seeps through interventricular foramen into the third ventricle. 3. next throught the cerebral aquaduct to the fourth ventricle. 4. then to Central Canal of the cord. |
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What are networks of capillaries that project from the pia mater into the lateral ventricles and roofs of third and fourth ventricles?
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choroid plexuses
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the area of the CNS that cerebrospinal fluid travels
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Four ventrals in brain and Central canal & subarachnoid space.
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what are the functions of CSF
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1. cushion around and within CNS
2. Contains receptors to help regulate CO2 and Ph |
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what part of the CNS "reuptakes" into the venous system CSF?
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arachnoid villi
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what is a Networks of capillaries and ependymal cells in ventricle wall?
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choroid plexuses
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give the flow of CSF?
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1. starts at the lateral Ventricles (via seepage choroid plexues)
2. then seeps through interventricular foramen into the third ventricle. 3. next throught the cerebral aquaduct to the fourth ventricle. 4. then to Central Canal of the cord. |
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What are networks of capillaries that project from the pia mater into the lateral ventricles and roofs of third and fourth ventricles?
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choroid plexuses
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where does CSF get its "fluid properties"
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Fluid is seperated from blood in the Choroid plexuses.
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what is the average amount of cerebrospinal fluid in an adult?
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140ml
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