Term
| Where does the spinal cord begin |
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Definition
| at the level of the magnum foramen at the base of the skull |
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|
Term
| How far does the spinal cord run |
|
Definition
| the upper 2/3 of the vertebral canal |
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|
Term
| What is the spinal cord protected by |
|
Definition
| the vertebral column, the tree meninges,the CSF (cerebrospinal fluid), ligaments of the vertebra |
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Term
| What is the function of the cervical enlargement? |
|
Definition
| involved in the formation of the brachial plexus |
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|
Term
| What is the function of the brachial plexus |
|
Definition
| forms all of the nerves to enervate the upper extremeties |
|
|
Term
| what is the function of the lumbar enlargement |
|
Definition
| corretponds to the lumbosacral plexus |
|
|
Term
| What is the function of the lumbosacral plexus |
|
Definition
| enervates the nerves in the lower extremeties |
|
|
Term
| Where does the Spinal cord terminate |
|
Definition
| around L1 at teh conus medullaris |
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|
Term
| What is the filum terminale |
|
Definition
| extends inferiorly and attaches to the first segment of the coccyx vertebrae. has silvery appearance because of pia mater |
|
|
Term
|
Definition
| a collection of the ventral and dorsal roots/rootlets |
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|
Term
| describe the appearance of cauda equina and its origin and location |
|
Definition
| looks like a horses tail and comes from the lumbar and sacral spinal nerves and is located in the subarachnoid space |
|
|
Term
| Why do we need the Cauda Equina? |
|
Definition
| to extend the spinal cord to the coccyxageal region |
|
|
Term
| What are the three meninges |
|
Definition
| dura mater, arachnoid mater, pia mater |
|
|
Term
|
Definition
| suroround and stabilize the spinal cord |
|
|
Term
| T/F The Dura Mater does not have a blood supply |
|
Definition
|
|
Term
| Which of the meninges is the outermost? |
|
Definition
|
|
Term
| Which of the meninges is the toughest? |
|
Definition
|
|
Term
| Where does the Dura Mater terminate |
|
Definition
|
|
Term
| Where does the Dura mater attach ventrally? Superiorly? |
|
Definition
| posterior longitudinal ligament, origin of the magnum foramen |
|
|
Term
| How far does the dura mater extend laterally |
|
Definition
| into the intervertebral foramen to allow protection for the nerves going through that structure |
|
|
Term
| What layer is the arachnoid mater |
|
Definition
|
|
Term
| T/F: The Arachnoid mater has no blood supply |
|
Definition
|
|
Term
| T/F: The Arachnoid Mater is continuous with the arachnoid of the brain |
|
Definition
|
|
Term
| What is the arachnoid mater and the dura mater separated by |
|
Definition
|
|
Term
| What separates the arachnoid mater from the pia mater? |
|
Definition
|
|
Term
| What can be found in the subarachnoid space |
|
Definition
|
|
Term
| What is found in the lumbar cistern |
|
Definition
|
|
Term
| Where can cerebraospinal fluid be found |
|
Definition
| in the subarachnoid space of the brain and spinal cord and in the ventricular system of the brain |
|
|
Term
| Where does cerebrospinalfluid come from? |
|
Definition
|
|
Term
| What is the choroid plexus and where is it located |
|
Definition
| a blood filtrate and it is located in the roofs of the four ventricles of the brain |
|
|
Term
| What does the choroid plexus do? |
|
Definition
| acts as a cushion to absorb energy, also involved in different metabolic activities |
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