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40 Cards in this Set
- Front
- Back
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what are the granular foveolae?
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depressions lateral to the groove for superior sagittal sinus that house the arachnoid granulations which reabsorb CF
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what does the foramen caecum of the cranium transmit?
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emissary veins from the nasal cavity to the superior sagittal sinus
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what goes through the optic canal?
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optic nerve and ophthalmic artery
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the anterior attachment point of the tentorium cerebelli?
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anterior clinoid processes
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what travels through the superior orbital fissure?
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III, IV, V1, VI, ophthalmic veins
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what travels through the foramen ovale?
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V3, lesser petrosal nerve, accessory middle meningeal artery
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what travels through the internal acoustic meatus?
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VII, VIII labyrinthine artery
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what travels through the jugular foramen?
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IX, X, XI, inferior petrosal sinus, sigmoid sinus
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what travels through the hypoglossal canal?
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XII, meningeal branch of ascending pharyngeal artery
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what travels through the condylar canal?
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emissary veins
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what foramina transmit emissary veins?
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caecum and condylar
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what is the sella turcica?
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remainder of the body of sphenoid
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what lies in the hypophysial fossa?
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pituitary gland
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what separates the sphenoid wings?
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superior orbital fissure
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where does the foramen rotundum lead?
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from the middle cranial fossa to the pterygopalatine fossa
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where does the foramen ovale lead?
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from the middle cranial fossa to the infratemporal fossa
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where does the foramen spinosum lead?
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from the middle cranial fossa to the infratemporal fossa
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what is the tegmen tympani?
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roof of the middle ear cavity
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what happens to the sigmoid sinus at the jugular foramen?
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enters and continues as the internal jugular vein
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what happens to the inferior petrosal sinus at the jugular foramen?
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empties into the internal jugular vein
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where is the hypoglossal canal located?
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between the foramen magnum and the jugular tubercle in the occipital bone
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where is the condylar canal in relation to the hypoglossal canal?
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posterolateral
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what cranial dura mater is continuous with the spinal dura mater?
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the inner meningeal layer
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what is the periosteal layer of cranial dura mater continuous with?
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the periousteum on the outside of the skull
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name the dural partitions
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falx cerebri, tentorium cerebelli, falx cerebelli and diaphragma sellae
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what does the tentorium cerebelli separate?
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the cerebellum from the cerebral hemispheres
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what is the infandibulum?
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connects the pituitary gland with the base of the brain, passes through the diaphragma sellae
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where do the anterior meningeal arteries come from?
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ethmoidal arteries
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what artery crosses the pterion inside the cranium?
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middle meningeal
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where do the accessory meningeal arteries come from?
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maxillary arteries
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where does the posterior meningeal artery come from?
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terminal branch of the ascending pharyngeal artery, enters through the jugular foramen
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where do posterior meningeal arteries come from?
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ascending pharyngeal, occipital and vertebral
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what innervates the dura mater?
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V and C1-3
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which nerve innervates the falx cerebri and tentorium cerebelli?
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V1
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where is the potential space?
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extradural space-between the periostial layer and bone
potential for hemorrhage |
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where is the real space?
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between arachnoid and pia mater
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where is the only normal occurring fluid-filled space associated with the meninges?
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subarachnoid space b/c arachnoid mater clings to dura and pia follows the brain
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what is a subarachnoid cistern?
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enlargement of the subarachnoid space
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where is the CF made?
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choroid plexus in the ventricles of the brain
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what are the arachnoid villi?
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project as granulations into the superior sagittal sinus and drains CF
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