Skull & Facial Bone Anatomy

How many facial bones are there

14

How many cranial bones are there

8

How many fontanels are in an infant

6

What bones make up the floor of the cranium

Frontal, ethmoid, sphenoid, temporal, occipital

What bony landmark is the highest level of facial bone mass

Supraorbital groove/orbital plates

What is the joint found between the lateral condylar process of the skull and the atlas of C1

Atlanto-occipital joint

Which cranial bone articulates with all the other cranial bones

Sphenoid

the slight depression above each eyebrow is the

Supraoribital groove

What cranial bone does NOT articulate with the parietal bone

Ethmoid

The frontal bone articulates with how many cranial bones?

4 (ethmoid, sphenoid, R/L parietal)

What landmark corresponds with the level of the petrous ridge

TEA (top of ear)

Which cranial bone has the foramen ovale

Greater wing of sphenoid

Which cranial bone has the cribiform plate

Ethmoid

What is the anterior fontanel found in the adult skull

Bregma

The ethmoid notch is a part of which cranial bone

Frontal bone

Which cranial bone has the sella turcica

Sphenoid

Which cranial bone has the superior nasal conchae

ethmoid

Which cranial bone has the zygomatic process

Temporal bone

Largest immovable bone of the face

Maxilla bone

Which facial bone forms the majority of the hard palate

Maxilla (palatine process)

Which 3 cranial bones articulate with the zygomatic bone

frontal, temporal, sphenoid

What is the junction of the 2 nasal bones

internasal suture

Scroll like projection in the nasal cavity

Nasal conchae (turbinates)

Which two bones form the bony nasal septum

Ethmoid and vomer

upper and lower teeth are embedded in the

alveolar processes

the point of union between both halves of the mandible

symphysis menti

posterior aspect of the orbit

Apex

how many facial bones make up the bony orbit

4 (maxilla, zygomatic, lacrimal, palatine)

which bone is involved in a tripod fracture

zygomatic bone

a facial bone fracture in which a blow to one side causes a fracture to the opposite side is known as a

Contrecoup fracture