Anatomy Exam 1 LOCK IN

The “brain box”

Neurcranium

Cranial Base - Structure

The bottom of the inside of the skull - like a bowl

Calvary

the “skull cap”

Cranial Cavity

Depression, or empty space inside of the skull

Anterior cranial fossa

The front portion of the cranial base depression

Middle cranial fossa

The center portion of the cranial base depression

Posterior Cranial Base

The back portion of the cranial base depression

Viscerocranium

The facial skeleton

Orbits

The “eye sockets”

Nasal Cavities

probe inside the nose

Bony Nasal Septum - structure

Separates left and right nostril

Piriform Aperture

Tracing the rim of the nose

Hard palate

Red and purple bone - roof of the mouth

Zygomatic Arch - Structure

yellow and brown bone - the “bridge” on the side of the face

Infratemporal Fossa

Inside the gap between the zygomatic arch and the rest of the skull

Coronal Suture

The front suture - where a tiara would sit

Lambdoidal Suture

On the back of the head, looks like a greek letter

Sagittal Suture

Down the middle of your skull, splits you at the ____ plane

Squamous Suture

On the side of your head, piecing together temporal bones

Frontal bone - Structure

Forehead bone

Supraorbital Margin - Feature

Eyebrow bones, above the orbits

Parietal Bones - Structure

The bones on the top of your head

Occipital Bone

the bones making up the back of your head

External occipital protuberance

the bun on the back of your head

Occipital Condyles

Two bumps in front of the foramen magnum

Nuchal Lines

The faint lines underneath the external occipital protuberance

Temporal Bones

the brown bones, or side of the skull - where you rub when you are annoyed

Mastoid Process of the Temporal Bone - Projection

rugged backing of the brown bone, breast shaped

Styloid Process of the Temporal Bone

White thing sticking out in front of the mastoid process

Zygomatic Process of the Temporal Bone

Back part of the “bridge”

Petrous Portion of the Temporal Bone

Faint triangle impression above the mastoid process, just past the auditory meatus

Mandibular Fossa

depression, where the mandible fits in

Ethmoid Bone

F*CK THIS BONE AHHHHH

Crista Galli

The “cock’s comb”, fin at the top of the ethmoid bone

Cribriform Plate

Where the olfactory nerves go through in the ethmoid bone, Brandon can’t pronounce this

Perpendicular Plate of the Ethmoid Bone

Forms the upper part of the bony nasal septum, the “tail” of the ethmoid bone

Orbital Plate of the Ethmoid Bone

the outer casings of the ethmoid bone

Superior and Middle conchae of the ethmoid bone

one looks like the ballsack of the ethmoid bone from the posterior view, the other is the spot right above it

Sphenoid Bone

Looks like a big butterfly, sits in the center of the skull

Greater Wing of the Sphenoid Bone

upper wings of the butterfly

Lesser Wing of the Sphenoid Bone

tiny wings above the greater wing

Sella Turcica

like the saddle on the back of the butterfly, visible from the top of the skull

Pterygoid Processes

The legs of the butterfly

The medical and lateral plates of the pterygoid process of the sphenoid bone

The individual legs of the butterfly (in sets of 2)

Mandible

Makes up the lower jaw

Body of the mandible

The whole lower half

Ramus of the mandible

The back top part of the mandible, where it connects to the mandibular fossa

Dental Alveoli of the Mandible

“tooth sockets” in the lower half of your jaw

Angle of the mandible

Where you point when mogging

Coronoid Process of the mandible

The front bump on the ramus, the side closer to the rest of the mandible

Condylar Process of the Mandible

The back projection on the ramus

The head of the condylar of the mandible bone

the very top of the back projection on the ramus

Maxillae

Upper jaw

Body of maxilla

The entire area around the bottom of the nose and upper lip

Dental alveoli of the maxilla

Depressions for teeth- “tooth sockets” of the upper jaw

Infraorbital Margin

Lower rim of the orbits

Palatine Process

Purple part of the roof of the mouth, front portion of the roof of your hard palate

Zygomatic Bones

“cheek bones”

Temporal Process of the Zygomatic bones

The front portion of the zygomatic arch, connected to the zygomatic bones

Nasal Bones

structure, white bones of the nose, fractures produce a “broken nose”

Palatine Bones

L-shaped bones

Horizontal Plate of the Palatine Bones

the part of the palatine bones that contributes to the hard palate

Perpendicular Plate of the Palatine Bones

On either side of the vomer, the lateral walls of the nasal cavity

Vomer

yellow divider in the nose, makes up the bottom part of the bony nasal septum

Lacrimal Bones

orange parts inside the eye sockets

Opening for nasolacrimal duct

“This will bring tears to your eyes,” the space between the orange and purple

Inferior Nasal Conchae

yellow on either side of the nose, projects into the nasal cavities

Supraorbital Foramen

The little holes in the skull above the eye socket, around the supraorbital margins

Infraorbital Foramen

The little holes in the skull right below the eye socket, on the tops of the cheeks

Mental foramen

the holes in the chin

Optic Canal

where the optic nerve passes through the orbit, the hole at the back of the eye socket, closer to the nose

Superior Orbital Fissure

Space by the optic canal, looks like an amoeba more than a circle

Inferior Orbital Fissure

Looks connected to the superior orbital fissure but isn’t, bottom space

External Acoustic Meatus

The divet space between the styloid process and the mastoid process

Cribriform Foramina

the little holes around the nose area - on the cribriform plate - holes are for the olfactory nerves

Optic Canals - Anterior View

holes right underneath the saddle horns

Foramen Rotundum

will be labeled with a pink pipe cleaner, more anterior than the formamen ovale, very small

Foramen Ovale

Used as our “North Star”, largest and most distinct middle cranial fossa

Foramen Spinosum

Tiny hole right below the foramen ovale

Foramen Laceram

More medial than the foramen ovale

Internal Acoustic Meatus

posterior to foramen ovale and more medial, along the side of the ridge

Jugular Foramen

holes at the bottom of the skull, just outside the occipital condyles, kind of like a cave more than a hole

Hypoglossal canal

just along the upper rim of the foramen magnum

Foramen magnum

Large hole for the spine/neck

Carotid canal

The hole just above the jugular foramen

Stylomastoid Foramen

right between the styloid and mastoid processes

Incisive Fossa

The whole right behind the upper incisor teeth, the front teeth

Greater palatine foramen

near the upper molar teeth

Mandibular foramen

holes in the upper ramus of the mandible

Frontal sinuses

space inside the inner corner of the eyebrows, lined by mucous membranes in the living

Maxillary sinuses

the space inside the cheekbones - the largest

Ethmoid air cells

in the bridge of our nose, where we pinch when we have headaches

Cervical Vertebrae Region

The top 7 vertebrae

Thoracic Vertebrae Region

The middle 12 vertebrae

Lumbar Vertebrae Region

The lowest 5 vertebrae

Sacrum

fused bit of bone at the bottom of the vertebral column

Coccyx

Tailbone

Thoracic Kyphosis

the second curvature, the hump of your back - one of the primary curvatures

Sacral Kyphosis

the last curvature, curves out and back around the sacrum, one of the primary curvatures of the spine

Cervical Lordosis

The first curvature, curves in with the neck, one of the secondary curvatures