Meninges Flashcards
What are the layers that make up the dura mater?
meningeal and periosteal
What is the only dura mater layer that the spinal cord has?
meningeal layer
What are the septae of the dura mater?
Falx cerebri
Falx cerebelli
What are the sinuses of the dura mater?
superior sagittal sinus
transverse sinus
What type of mater is a pain sensitive structure?
Dura mater
The falx cerebri separates the _____.
cerebral hemispheres
The falx cerebelli separates the ____.
hemispheres of the cerebellum
The tentorium cerebelli separates _____.
The root of the cerebellum from the cortex.
The superior sagittal sinus and transverse sinus carries (arterial/venous) blood.
venous
definition: space between the arachnoid mater and pia mater that travels from the brainstem to the end of the spinal cord.
subarachnoid space
definition: areas that protrude to dural sinuses for the drainage of CSF
arachnoid villi
What structure is easier to draw CSF from in an animal?
cisterna magna
definition: openings in the subarachnoid space that are filled with CSF
cisterns
What layer of mater is the only one that closely follows the surface of the brain?
pia mater
What follows the pia mater to deep structures?
Blood Vessels
The pia mater extends to the dura mater as _______ and end at the end of the spinal cord to form the ____.
dentate ligaments, filum terminale
The epidural space is (real/potential) in the brain and (real/potential) in the spinal cord.
potential, real
The subdural space is (real/potential) in the brain and (real/potential) in the spinal cord.
potential, potential
The subarachnoid space is (real/potential) in the brain and (real/potential) in the spinal cord.
real, real
Hemorrhaging between the dura mater and skull that is caused by trauma to the skull.
S/S (occurs within minutes): intense headache, nausea/vomiting, dizziness, fatigue
epidural/extradural hematoma
Epidural/extradural hematomas primarily occur in the ___ and ___ lobes
temporal, parietal
Epidural hematomas involve the (arterial/venous) system.
arterial
definition: Hematoma between the dura mater and arachnoid mater that occurs when there is trauma to the head and/or the victim is older.
subdural hematoma
Subdural hematomas has (arterial/venous) involvement
venous