Wish list - Skull (Completed) - Click on images to see arrows/zoom in

Listen to this song: https://youtu.be/Yx2T1WwTV1U. All bones needed (BIO LAB) in skull!!!!!!!!!

How many Cranial Bones are there

8

What are the different bones in the CRANIAL region

Parietal (2)

Temporal (2)

Frontal (1)

Occipital (1)

Ethmoid (1)

Sphenoid (1)

Parietal

Temporal

Frontal

Occipital

Ethmoid

Sphenoid

Occipital Bone

Occipital Bone

Occipital Bone

Occipital Bone

External occipital protuberance

The bump on the posterior side.

External Occipital Protuberance

Occipital Condyle__***s***__

Articulate with the atlas

Foramen Magnum

Large hole for the spinal cord to pass through

Foramen Magnum

Occipital condyles

Occipital Condyles

Frontal Bone

Forehead

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Frontal Bone

Frontal Bone

Supraorbital Margin

Ridge of bone above each eye

Supraorbital margin

Supraorbital Foramen

Hole above the supraorbital margin

Supraorbital Foramen

Supraorbital foramen

Right Parietal Bone

Left Parietal Bone

Left Parietal Bone

Right Parietal Bone

Parietal Bones

Form part of the sidewall and roof of the cranium

Coronal suture

Junction between frontal bone and 2 parietal bones

Coronal Suture

Coronal Suture

Sagittal Suture

Junction between 2 parietal bones

Sagittal Suture

Squamous Suture

Junction between temporal bone and parietal bones

Squamous Suture

Squamous suture

Lambdoidal suture

Junction between 2 parietal bones and the occipital bone

Lambdoidal Suture

Temporal Bones

Form part of the sidewall of cranium, the temple

Temporal Bone

External auditory meatus

Ear canal

Styloid Process

Elongated, pin-like process on inferior side

Mastoid process

Large bony mass inferior and posterior to ear

Mandibular fossa

Articulates with the mandibular condyles on mandible

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Note this diagram should be annotated → The mandibular fossa in this picture is hidden, its underneath the condylar process

Mandibular Fossa

Zygomatic process

Projection of temporal bone

Sphenoid

Irregular bone on floor of cranium, looks like a "bat"

Sphenoid

Sphenoid

Sphenoid

Sphenoid

Sphenoid

Optic Foramen (Canal)

Hole for the optic nerve to pass through towards each eye

Optic Canal (Foreamen)

Sella Turcica

Saddle like structure on superior surface (pituitary gland sits here)

Sella Turcia

Greater and Lesser wings

Large and small wing like structures which help form the floor of the cranium

Greater Wing

Lesser Wing

Superior Orbital Fissures

Large slits which can be seen in the eye sockets, it is between the

greater and lesser wings

Superior Orbital Fissure

Superior Orbital Fissure

Inferior orbital fissure

Smaller slits, also seen in the eye sockets, just inferior to the

superior orbital fissures.

Inferior Orbital Fissure

Ethmoid

Irregular bone anterior to sphenoid and between eyes

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid

Ethmoid Bone Views

Ethmoid

Ethmoid

Crista galli

Bony projection on superior surface

Crista Galli

Cribriform plate

Horizontal plate on the superior surface that is **perforated** with

**many small holes** for the olfactory nerve

Crista Galli

Middle Nasal Concha

\n Not a named bone, but part of the ethmoid bone. Above inferior

nasal concha

Middle Nasal Concha

Middle Nasal Concha

Crista Galli

Superior Nasal Concha

\n Not a named bone, but part of the ethmoid bone. Above middle

nasal concha

Middle Nasal Concha

Perpendicular Plate

Inferior plate that divides the nasal cavity

Perpendicular Plate

Perpendicular Plate

Perpendicular Plate

Perpendicular Plate

Perpendicular Plate

Orbital Plate

Smooth plates which form the medial walls of the eye sockets

Orbital Plate