WEEK 1: NEUROANATOMY (Millares) Flashcards
in spinal cord, rostral means what orientation?
superior
in spinal cord, caudal means what orientation?
inferior
what are the layers of the scalp?
skin connective tissue aponeurosis (galea aponeurotica) Loose areolar tissue Pericranium
suture divides the frontal bone and parietal bone
coronal suture
divides the parietal bone and temporal bone.
superficial temporal line
is the junction of four sutures and the weakest part of the skull.
pterion
what artery passes thru the pteryion?
middle meningeal artery
a very nice surgical corridor, it provides stress-free entry into the calvarium.
pteryion
surgical landmark designed to simultaneously expose the floor of the anterior cranial fossa and the orbit and is classically described near the junction of the frontal, sphenoid, and zygomatic bones.
MacCarty Keyhole
4 compartments of the skull base?
anterior
middle
posterior
central
anterior border of the anterior compartment of the skull base?
posterior aspect of the frontal bone
posterior boundery of anterior compartment of the skull base?
wings of sphenoid, anterior clinoid process, and tuberculum sellae
boundaries of the middle cranial fossa?
bounded posteriorly by petrous (HARDEST and THICKEST) part of the skull and part of your posterior clinoid process
3 holes in the temporal lobe?
Standing room only
foramen spinosum, rotundum. ovale
what exists at spinosum, rotundum and ovale?
spinosum - meningeal branch of CN V3, mid meningeal artery
rotundum - Maxillary nerve
ovale - mandibular nerve
posterior cranial fossa what is the boundary posterioly?
anterior part of the occipital bone
what exits at the jugular foramen?
CN 9, 10, 11 and the jugular vein
cnetral cranial fossa what are hte anterior boundaries?
sella turcica and dorsum sella