Osteology of the Skull - Zygomatic, Nasal, Lacrimal, Ethmoid Bones

Lacrimal

Overview: this is the

Nasal

Overview: this is the

Ethmoid

Overview: this is the

Zygomatic

Overview: this is the

Zygomatic arch

Zygomatic bone: this is the

Zygomaticotemporal suture

Zygomatic bone: this is the

Zygomaticomaxillary suture

Zygomatic bone: this is the

Zygomaticofrontal suture

Zygomatic bone: this is the

- cheek foundation

- lateral floor of the orbit

- intramembranous ossification

The zygomatic bone is the

temporal process

This is the

zygomaticofacial foramen

This is the

maxillary process

This is the

orbital margin

This is the

frontal process

This is the

- zygomaticotemporal

- zygomaticoorbital

the zygomatic bone may contain additional foramina of the

internasal suture

Nasal bone: this is the

nasion

Nasal bone: this is the

nasal bone

Nasal bone: this is the

lacrimal bone

Lacrimal bone: this is the

lacrimal sac fossa

Lacrimal bone: this is the

anterior lacrimal crest of maxilla

Lacrimal bone: this is the

posterior lacrimal crest

Lacrimal bone: this is the

lacrimal sac

Lacrimal sac: this is the

nasolacrimal canal

Lacrimal sac: this is the

nasolacrimal duct opening

Lacrimal bone (medial): this is the

the lacrimal bone

Lacrimal bone (medial): this is

ethmoid

This is the

sphenoid

This is

frontal

This is

parietal

This is

- contributes to medial orbital wall

- unpaired

- endochondral ossification

The ethmoid bone

horizontal (cribiform) plate

The ethmoid bone: this is the

perpendicular plate

The ethmoid bone: this is the

ethmoidal labyrinth

The ethmoid bone: this is the

crista galli

The ethmoid bone: this is the

olfactory foramina

The ethmoid bone: this is the

sphenoethmoidal recess

Concha: this is the

superior and middle nasal meatuses

Concha: this is the

uncinate process

Concha: this is the

middle nasal concha

Concha: this is the

cribiform plate

Concha: this is the

superior nasal concha

Concha: this is the

inferior concha, its own bone

Concha: this is the

depends on if you are looking at the mucosa

concha or turbinate?

opening of frontal sinus

Openings: this is the

opening of maxillary sinus

Openings: this is the

opening of sphenoidal sinus

Openings: this is the

ethmoid bulla

Openings: this is the

semilunar hiatus

Openings: this is the