Anatomy: Skeletal Landmarks: Skull

Anterior; top and front part of the skull; Forehead bone

Frontal Bone

The connection between the frontal bone and parietal bone (between the front and the back)

Coronal Suture

middle, front, flat part of the frontal bone

Frontal Squama

around the top of the eye socket; edge; eyebrow bone

Supraorbital Margin

above the eye socket; a hole that is usually circular.

Supraorbital Foramen

lower forehead, above the nose, in between eyebrows. (you cannot see on the skull)

Frontal sinus

superior posterior; on top and behind the frontal bone but before the occipital bone.

Parietal Bones

suture separating parietal and occipital bone. (looks like a lambda)

Lambdoid Suture

mid-sagittal suture separating the left and the right of the parietal bone.

Sagittal Suture

suture separating the parietal and temporal bones.

Squamous Suture

the back of the head; inferior, posterior. it has a hole in the bottom that the spinal cord goes through (foramen magnum).

Occipital Bone

a hole in the bottom of the occipital bone for the spinal cord.

Foramen Magnum

bumps on the sides of the foramen magnum

Occipital Condyle

bump on the middle back of the head.

External Occipital Protuberance

The bones on the side of the head

Temporal Bone

the flat part of the temporal bone

Temporal Squama

the part that connects the temporal bone to the zygomatic bone

Zygomatic Process

It looks like a handle off of the side of the head; it includes temporal bone, zygomatic process, and maxilla; it sticks out.

Zygomatic Arch

Diagonal rigid bone inside the top of the skull. (Think Cayman Islands Hell)

Petrous Portion

Left and right of the foramen magnum the circular hold closer to the jaw

Carotid Foramen

left and right of the foramen magnum; peanut (in shell shaped); behind the Carotid Foramen

Jugular Foramen

two holes that are close together in front of the carotid foramen

Foramen Lacerum

a dent that the mandible fits into; it is in front of the ear lobe.

Mandibular Fossa

below the mastoid portion that is small, circular, and pinchable.

Mastoid Process

bump behind ear hole

Mastoid Portion

a hole behind the mastoid portion

Mastoid Foramen

the ear hole; it is in between the mastoid process and the zygomatic process

External Auditory Meatus

the back side of the petrous portion that runs into the ear hole

Internal Auditory Meatus

it looks like fangs on the inside of the mastoid process

Styloid Process

well surrounded by other bones; looks like a bat (when removed).

Sphenoid Bone

middle of the skull, view of the top of the skull; above petrous portion

Body of Sphenoid Bone

behind the eye socket; concave.

Greater Wings

little shelf above greater wings

Lesser Wings

In between the two sides of the greater wings.

Sella Turcica

empty space inside the sphenoid bone.

Sphenoid Sinus

extends down and towards molars.

Pterygoid Process

Inside of eye socket (circular) through lesser wings.

Optic Foramen

the crack beside the optic foramen

Superior Orbital Fissure

a round hole below the superior orbital fissure

Foramen Rotundum

Oval-shaped hole that is about an inch behind the foramen rotundum

Foramen Ovale

a small hole that is next to the foramen ovale.

Foramen Spinosum

to the left and right of the Crista Galli (concave)

Cribriform Plate

middle of the nose; nose bone between the eyes.

Ethmoid Bone

The sharp part in front of the “bat” sticks up in between the Cribiform Plate.

Crista Galli

extending vertically from the Cribiform Plate.

Perpendicular Plate

the two flaps on each side of the Perpendicular Plate.

Lateral Mass

one notch on both sides of the nose

Middle Turbinates

two bones that make up the top portion of your nose that do not connect in the middle. (bridge of your nose)

Nasal Bones

the upper jaw and the bottom part of the eye socket

Maxilla

the place where the teeth connect to the top jaw.

Alveolar Process (top Jaw)

a hole below the eye socket (cheek area)

Infraorbital Foramen

the front of the roof of the mouth

Palatine Process

A teardrop-shaped crack in the lower eye socket

Inferior Orbital Fissure

cheekbone and outer part of the eye socket

Zygomatic Bone

connects the Zygomatic bone to the temporal bone.

Temporal Process

The lower jaw.

Mandible

the bottom of the mandible from a side view

Body of the Mandible

The part that runs up and down the sides of the Mandible.

Rami of Mandible

The jawline (where the jaw changes directions)

Angle of Mandible

where the Mandible connects to the upper jaw.

Condylar Process

where the jaw moves up and down (with assistance from muscles)

Coronoid Process

A dent that is between the coronoid process and the condylar process.

Mandibular Notch

where the teeth connect to the lower jaw.

Alveolar Process (lower Jaw)

small holes (2) in the side of the chin (off center not side of the face)

Mental Foramen

triangle portion between the side of the nose and eye socket.

Lacrimal Bone

a boxy “U”-shaped bone behind the palatine process. The back of the roof of the mouth.

Palatine Bone

where the pterygoid process connects

Horizontal Plates of Palatine Bone

the bottom notches inside the nose underneath the Middle ______

Inferior Nasal Conchae

a flat triangular bone that divides the nose; the point of the Vomer sticks out of the lower jaw; If removed looks like a Dorito.

Vomer