Term
| what are the layers of the scalp? |
|
Definition
| skin, connective tissue (dense), aponeurosis, loose connective tissue, pericranium (SCALP) |
|
|
Term
| what are the veins of the skull? |
|
Definition
diploic - in the calvaria
emissary - connect veins outside of skull to dural venous sinuses |
|
|
Term
| what is the danger area of the skull where infection can spread? |
|
Definition
| loose connective tissue layer |
|
|
Term
| where can a scalp infection spread? |
|
Definition
eyes and nose root.
NOT neck (due to occipitalis muscle) or cheeks (due to temporal fascia) |
|
|
Term
| what artery runs through the dura mater? |
|
Definition
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|
Term
| what dural partition covers the hypophyseal fossa and protects the pituitary? |
|
Definition
diaphragma sellae (aka sellar diaphragm).
is a double layer of meningeal dura |
|
|
Term
| what causes a subdural hematoma? |
|
Definition
| head trauma that shakes the brain, tearing cerebral veins |
|
|
Term
| what causes a subarachnoid hemmorrhage? |
|
Definition
| cerebral arteries bleeding due to aneurysm rupture or trauma |
|
|
Term
| what are the 5 parts of the brain? |
|
Definition
| telencephalon, diencephalon, mesencephalon, metencephalon, myelencephalon |
|
|
Term
| what constitutes the diencephalon? |
|
Definition
| thalamus, hypothalamus, pituitary |
|
|
Term
| what constitutes the mesencephalon? |
|
Definition
| midbrain - cerebral peduncles, colliculi, part of brainstem, aqueduct |
|
|
Term
| what constitutes the metencephalon? |
|
Definition
| cerebellum, pons, part of brainstem |
|
|
Term
| what constitutes the mylencephalon? |
|
Definition
| medulla oblongata, part of brainstem |
|
|
Term
| what do the thalamus and hypothalamus do? |
|
Definition
thalamus - relay and processing center for sensory info
hypothalamus - controls emotions, autonomic functions, and hormone production |
|
|
Term
| what nerve inserts under the inferior colliculi in the mesencephalon? |
|
Definition
|
|
Term
| what is in between the two cerebellar hemispheres? |
|
Definition
|
|
Term
| what arteries does the oculomotor nerve pass between? |
|
Definition
| posterior cerebral and superior cerebellar |
|
|
Term
| what arteries does the abducens nerve pass between? |
|
Definition
| labyrinthine and anterior inferior cerebellar |
|
|
Term
| what three bones form the anterior cranial fossa? |
|
Definition
| frontal, ethmoid, and sphenoid |
|
|
Term
| what passes through the foramen cecum? |
|
Definition
| emissary veins going to nasal cavity from superior sagittal sinus |
|
|
Term
| what two bones form the anterior cranial fossa? |
|
Definition
|
|
Term
| what are the foramina for the trigeminal nerves (V1-3)? |
|
Definition
SRO - "standing room only"
superior orbital fissure - V1
foramen rotundum - V2
foramen ovale - V3 |
|
|
Term
| what passes through the foramen lacerum? |
|
Definition
| Nothing! plugged over by cartilage |
|
|
Term
| what forms the posterior cranial fossa? |
|
Definition
| occipital and temporal bones |
|
|
Term
| what runs through the cavernous sinus? |
|
Definition
| internal carotid artery, CN III, IV, V1 and V2, and VI |
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Term
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Definition
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