skull and foramen

Neurocranium

made up of the frontal, ethmoid, sphenoid, occipital, parietal, and temporal bones

Frontal bone

forms the forehead and roof of the orbits

Ethmoid boin

creates the medial walls of the orbits, nasal cavity, and nasal septum

Sphenoid bone

at the base of the skull

Parietal bone

creates the sides and roof of cranial cavity

Occipital bone

creates the back and base of the skill, creates the foramen magnum

Temporal bone

creates the sides and base of the skill, houses the ear

Viscerocranium

made up of the maxilla, zygomatic, nasal, lacrimal, palatine bones, inferior nasal conchae, mandible, and vomer

Maxilla

upper jaw and inner orbit

Zygomatic

creates the cheek bones

Nasal bones

bridge of the nose

Lacrimal bones

fore part of the medial orbit

Palatine bones

part of the hard palate and nasal cavity

Inferior nasal conchae

inside the nasal cavity

Mandible

the lower jaw and only moveable bone of the skull

Vomer

forms part of the nasal septum

Fibrous

_____ joints separate the cranial bones

Lamboid suture

forms the border of the occipital bone

Sagittal suture

separates the two parietal bones

Coronal suture

forms the border of the frontal bone

Sutural bone

extra bones in the skull

Fontanelle

large unossified gaps between skull bones filled with fibrous tissue, closes in the first year of life

Orbits

Made up of the frontal, lacrimal, ethmoid, zygomatic, maxilla, sphenoid bones

Greater wing of the sphenoid

creates the apex of the orbit

pterion

meeting place of the frontal, parietal, temporal, and sphenoid bones

pterion

vulnerable sport of the skull due to its thinness

Middle meningeal artery

notable artery behind the pterion

Epidural hematoma

the pterion is a common site of ____ when traumatically injured

Dura matter and skill

the middle meningeal artery if located

Pterion trauma

epidural hematoma due to trauma where the middle meningeal artery pools and pushes the brain

Occipital bone

contains the foramen magnum, brainstem, and cerebellum

Occipital condyles

articulate with the facets of C1

Atlanto-occipital joint

formed by the occipital condyles and C1

Petrous part

part of the temporal bone that forms the inner ear

Mastoid process of the temporal bone

part of the temporal bone that attaches with the SCM

Temporal bone

forms the external acoustic meatus

Temporal bone

contains the styloid process

Zygomatic part of the temporal bone

part of the temporal bone that articulates with the zygomatic bone

CN VIII/facial nerve

contained by the stylomastoid foramen

Cribiform plate

hole for the olfactory nerve

Optic canal

hole for the optic nerve

Superior orbital fissure

hole for the oculomotor nerve

Superior orbital fissure

hole for the trochlear nerve

Superior orbital fissure

hole for the V1 trigeminal nerve

Foramen rotundum

hole for the V2 trigeminal nerve

Foramen ovale

hole for the V3 trigeminal nerve

Superior orbital fissure

hole for the abducens nerve

Internal acoustic meatus and stylomastoid foramen

hole for the facial nerve

Internal acoustic meatus

hole for the vestibulocochlear nerve

Jugular foramen

hole for the glossopharyngeal nerve

Jugular foramen

hole for the vagus nerve

Jugular foramen

hole for the accessory nerve

Hypoglossal canal

hole for the hypoglossal nerve

Inner ear

the petrous part of the temporal bone houses the _____

VIII

CN ______ houses the internal acoustic meatus

Equilibrium, vestibular, hearing

the inner ear houses sensory receptors that are responsible for detecting _______

Angular motion

the semicircular canals detect ______ motion

Linear motion

the utricles and saccules detect _____ motion

Cochlear

the _______ nerve transmits vibrations from the inner ear

Mandibular condyle

the _____ of the mandible articulates with the temporal bone

Coronoid process and condylar process

the ______ and _____ make up the mandibular notch

Ramus

the mandibular foramen is located in the _____ part of the mandible

Body

the mental foramen is located in the _____ part of the mandible