Bones of the skull

frontal, parietal (2), temporal (2), occipital, sphenoid, ethmoid

eight cranial cavity bones

maxillae (2), mandible, zygomatic (2), nasal (2), lacrimal (2), palatine (2), inferior nasal concha (2), vomer

fourteen facial bones

supraorbital margin, supraorbital foramen, frontal sinuses

frontal bone structures (3)

supraorbital margin

The superior rim of the eye socket located on the frontal bone

supraorbital margin

supraobrital foramen

opening in the frontal bone within the orbit, nerves from the ophthalmic branch of the trigeminal nerve passes through along with blood vessels

supraorbital foramen

frontal sinuses

mucous membrane-lined cavities located deep in the frontal bone just above the eyebrows; an infection here can cause severe pain in this area

frontal sinuses

parietal bone

either of two skull bones between the frontal and occipital bones and forming the top and sides of the cranium

parietal bone

superior temporal linea, inferior temporal linea, parietal foramen

parietal bone structures

superior temporal linea

inferior temporal linea

parietal bone

cranial flat bone containing many internal protrusions and depressions that accommodate the blood vessels supplying the dura matter

temporal bone

bone that forms parts of the side of the skull and floor of the cranial activity

temporal bone

temporal squama

the thin, flat portion of the temporal bone that forms the anterior and superior part of the temple

parietal foramen

sometimes occurs near the corner of the lambdoid and sagittal sutures, contains emissary vein

Temporal squama

temple

region of cranium around the ear

temporal squama, temple, zygomatic process, mandibular fossa, articular tubercle, mastoid portion, petrus portion, external acoustic meatus, mastoid air cells, mastoid process, internal acoustic meatus, styloid process, stylomastoid foramen, jugular foramen

temporal structures (14)

zygomatic process of temporal bone

extension from the temporal bone that forms the posterior portion of the zygomatic arch

zygomatic process of temporal bone

mandibular fossa of temporal bone

Fossa that articulates with the head of the mandible to form the temporomandibular joint. The mandible (lower jaw) joins with the skull at this site.

mandibular fossa of temporal bone

articular tubercle of temporal bone

smooth ridge located on the inferior skull, immediately anterior to the mandibular fossa

articular tubercle of temporal bone

mastoid portion of temporal bone

This PORTION of the Temporal bone houses the air cells and is located posterior to the ear

mastoid portion of temporal bone

petrous portion of temporal bone

Thick PORTION of the temporal bone; hearing and balance are housed here

Petrus portion of the temporal

external acoustic meatus

Canal leading to eardrum and middle ear

external acoustic meatus

Mastoid air cells of temporal bone

hollow cavities inside mastoid process of temporal bone

Mastoid air cells of temporal bone

(circle)

mastoid process of temporal bone

round projection on the temporal bone behind the ear, insertion point of sternocleidomastoid muscle

mastoid process of temporal bone

internal acoustic meatus of temporal bone

meatus containing the facial nerve and vestibulocochlear nerve; continuous with stylomastoid foramen

internal acoustic meatus of temporal bone

styloid process of temporal bone

pole-like process extending downward from the temporal bone on each side of the skull, attachment point for muscles and ligaments of the tongue and neck

styloid process of temporal bone

stylomastoid foramen of temporal bone

Continuous w/ Internal Acoustic Meatus, contains facial nerve and blood vessels

stylomastoid foramen of temporal bone

jugular foramen of temporal bone

a large opening at the inferior surface of the skill that transmits the jugular vein and the glossopharyngeal, vagus, and accessory cranial nerves

jugular foramen of temporal bone

occipital bone

Bone that makes up the posterior base of skull

occipital bone

foramen magnum, occipital condyles, hypoglossal canal, external occipital protuberance, supreme nuchal line, superior nuchal line, inferior nuchal line, external occipital crest, condyloid fossa

occipital bone structures (9)

foramen magnum of occipital bone

large opening through which spinal cord connects to lower brain at the base of the skull

foramen magnum of occipital bone

occipital condyles

Rounded projections lateral to the foramen magnum that articulate with the first cervical vertebra (atlas)

occipital condyles

hypoglossal canal of occipital bone

canal on lip of foramen magnum that hypoglossal nerve passes through

hypoglossal canal of occipital bone

external occipital protuberance

bony small projection on back of head

external occipital protuberance

supreme nuchal line of occipital bone

superior nuchal line of occipital bone

middle curved line on the external occipital bone, is an area for muscle attachment.

supreme nuchal line of occipital bone

top-most curved line on the external occipital bone, area for muscle attachment

superior nuchal line of occipital bone

inferior nuchal line of occipital bone

bottom-most line on the external occipital bone, area for muscle attachment

inferior nuchal line of occipital bone

external occipital crest

ridges below the occipital crest that are site of attachment for ligamentum nuchae

external occipital crest

condyloid fossa of occipital bone

The depression in which the condyloid foramen sits

condyloid fossa of the occipital bone

sphenoid bone

forms part of the base of the skull and parts of the floor and sides of the orbit, joins all cranial bones together

sphenoid bone

greater wing, lesser wing, sphenoid sinus, sella turcia, optic canal, superior orbital fissure, hypophyseal fossa, pterygoid process, foramen ovale, foramen rotundum, foramen spinosum, foramen lacerum, anterior clinoid process

spehnoid bone structures (13)

greater wing of sphenoid bone

posterior and inferior to lesser wing on the interior of the skull, also visible in the posterior orbit and lateral side of the skull

greater wing of sphenoid bone

lesser wing of sphenoid bone

anterior and superior to greater wing on the interior of the skull, can also be seen through the orbit near the superior orbital fissure

lesser wing of sphenoid bone

sphenoid sinuses

sinuses found deep within the skull behind the Ethmoid sinuses; sit next to each other and are separated by a thin plate of bone (septum).

sphenoid sinus

sella turcia

"saddle" depression in the sphenoid bone which contains the hypophyseal fossa where the pituitary gland is located

sella turcia

optic canal of sphenoid bone

allows the optic nerve to pass to the eye

optic canal

superior orbital fissure

opening in the orbit of the sphenoid bone, allows oculomotor, trochlear, ophthalmic, and abducens cranial nerve to pass

superior orbital fissure

hypophyseal fossa of sphenoid bone

a depression within the sella turcica, holds the pituitary gland

hypophyseal fossa

pterygoid process of sphenoid bone

"u" shaped projection of the sphenoid bone for the attachment of many muscles of mastication

pterygoid process of sphenoid bone

foramen ovale of sphenoid bone

oval shaped foramen for the mandibular branch CN V3 (of trigem)

foramen ovale of sphenoid bone

Foramen rotundum of sphenoid bone

lateral most foramen of the group of three in the sphenoid bone

foramen rotundum

foramen spinosum of sphenoid bone

foramen in the sphenoid bone, middle meningeal artery

foramen spinosum of sphenoid bone

foramen lacerum of sphenoid bone

foramen in the sphenoid bone, opening for the internal carotid artery

foramen lacerum of sphenoid bone

anterior clinoid process of the sphenoid bone

process that extends posteriorly from each lesser wing of the sphenoid bone

anterior clinoid process of the sphenoid bone

ethmoid bone

forms part of the posterior portion of the nose, the orbit, and the floor of the cranium

ethmoid bone

cribiform plate, crista galli, perpendicular plate, ethmoidal sinus, orbital planes, superior nasal concha, middle nasal concha

ethmoid structures (7)

Cribiform Plate of the Ethmoid Bone

forms the roof of the nasal cavity and has holes through which axons of the olfactory nerves pass.