head Flashcards
Neurocranium bones
2 paired - temporal and parietal
4 non - ethmoidal, sphenoid, frontal, occipital
optic canal
CNII + ophthalmic arteries
SOF
CN III, IV, V1(ophthalmic), VI
Ophthalmic veins
Sympathetic
foramen rotundum
V2 maxillary
foramen ovale
V3 mandibular
foramen spinosum
middle meningeal artery and vein
foramen magnum
medulla and meninges
XI
Spinal and vertebral arteries
jugular foramen
internal jugular vein
IX, X, XI (ascends)
Between temporal and occipital bones
Stylomastoid foramen
VII
in temporal bone
Hypoglossal foramen
XII in occipital
Ossification head bones
Calvaria - intramembranous
Base - intramembranous / endochondral ossification
Formation mastoid
Not present at birth
Pulled on by scm
IJV course
Jugular foramen (from signoid sinus)
In carotid sheath
Lat to carotid, ant to vagus
Passes deep to SCM
Post to med clavicle joins subclav to form brachiocephalic pl
Gag reflex
Glossopharyngeal afferent, vagus efferent
Muscles mastication
Temporalis and masseter - elevation and retraction mandible
Lat pterygoid - protracts, depresses and swings side to side
Med pterygoid - elevate mandible, lat swing
All mandibular branch V
Quadrigeminal cistern
Post to corpus callosum
Contains great cerebral vein
Ambiens is ant to it and cont with it
Cerebro medullary cistern
Largest
Receives from 4th vent
Pontocerebellar cistern
Ventral pons
Cont with spinal subarach
Chiasmatic cistern
Inf and ant to optic X
Contents parotid region
Facial nerve and plexus
Retromandibular vein
External carotid artery
Masseter muscle
Parotid gland and duct
Parotid innervation
Sensory v3 auricotemporal and c2/3 greater auricular
Para - IX to otic then V3
Symp - sup cervical to ext carotid nerve plexus (inhib)
Tongue taste and sensatiom
Ant 2/3 - sensation v3, taste VII
Post - all IX except snakk part X internal laryngeal
Arteries kiesselbach area
Ant and post ethmoidal
Superior labial
Greater palatine
Sphenopalatine
Sutures skull
Coronal
Sagital
Lambdoidal
Squamous
Sulci
Longitudinal cerebral fissure
Central sulcus
Lateral sulcus
Parieto-occipital sulcus
Neocortex layers
6
Sup is molecular
Deepest is multiform
Pyramidal nost common - glutamate
Basket, stellate and chandelier - inhib gaba