The Skull And The Cranial Cavity Flashcards
Tissues covering scalp?
Skin Connective tissue dense Aponeurosis of occipitofrontalis Loose connective tissue Periosteum of the skull
Which layer of the scalp will contain majority of the blood vessels supplying the tissues of the scalp?
Dense connective tissue
Bones join at sutures at what age and what are they before?
Age 5
Cartilaginous structures called fontanelles
13 viscerocranium bones?
2 nasal 2 lacrimal 2 inferior conchae 2 zygoma 2 maxilla 1 mandible 1 vomer 1 palatine
What is suture point between the frontal, parietal, temporal and sphenoid?
Pterion, MMA runs deep to it
What is hydrocephalus?
Build up of CSF in skull
What happens in extradural haematoma?
Lemon shaped, shift of the flax cerebri
What runs in cribiform plate?
CN1
What runs in optic canal?
CN2 ophthalmic artery
What runs in superior orbital fissure?
CN 3 4 5 (1) 6
What runs in rotundum?
CN5 (2)
What runs in oval?
CN5 V3, AMMA
What runs in spinosum?
MMA
What runs in lacerum?
Carotid artery
What runs in internal acoustic meatus?
CN 7 and 8
What runs in jugular Foramen?
CN 9 10 11 IJV
What runs in hypoglossal canal?
CN12
What runs in magnum?
Spinal cord
Cranial foramina?
Cows Often Slip Round Over Sized Leopards In Jungle Having Meat
Vertebral arteries combine to form?
Basilar artery
Blood supply to brain through?
Vertebral and internal carotid
Where does common carotid lie?
Deep to sternocleidomastoid
External carotid supplies?
Face
Anterior cerebral artery supplies?
Medial and superior surfaces of the brain and frontal pole
Middle cerebral supplies?
Lateral surface and temporal bone
Posterior cerebral supplies?
Inferior surface and occipital pole
Which artery is most commonly involved in strokes?
Middle
