A&P I: Lab Exercise 6, Bones and Landmarks of Skull

Frontal Bone

Forehead Bone (A on image)

Supraorbital Foramen

pinpoint holes, above eye sockets (frontal bone landmark) (L on image)

Parietal Bones

Sides of stop of the skull, separated by sagittal sutures (I on image)

Occipital Bone

back/base of skull (H on image)

Foramen Magnum

big hole on base of skull, for brain stem (occipital bone landmark) (C on image)

Occipital Condyles

2 bumps on either top side of foramen magnum (occipital bone landmark) (G on image)

Temporal Bone

Sides of skull, above/around ear (I on image)

External Auditory Meatus

ear holes (temporal bone landmark) (F on image)

Styloid Process

pointy bump right behind jaw, pointy like a stylus (temporal bone landmark) (E on image)

Mastoid Process

Big bump behind styloid process, not pointy, blunt (temporal bone landmark) (F on image)

Sphenoid Bone

bone behind eye sockets, bat shaped, temple area (C on image)

Sella Turcica

divot in middle of bone inside skull, bottom of bat shape (sphenoid bone landmark) (B on image)

Ethmoid Bone

medial walls of eye sockets (H on image)

Crista Galli

pointy shark tooth sticky up, holds brain in place (ethmoid bone landmark) (A on image)

Nasal

bone in front of nose, where glasses sit (B on image)

Lacrimal Bone

Anterior to ethmoid, just inside eye sockets (C on image)

Maxilla

upper jaw bone, houses top teeth (E on image)

Infraorbital Foramen

Two small holes right under eye sockets (maxilla bone landmark) (M on image)

Zygomatic Bone

Cheek bone (D on image)

Vomer Bone

Medial line inside nose, separates nose into right and left (G on image)

Palatine Bone

Back of roof of mouth (A on image)…

Mandible Bone

Bottom jaw, houses bottom teeth (F on image)

Mental foramen

two small holes on chin (mandible bone landmark)

Coronal Suture

where frontal bone meets parietal bones (K on image)

Squamosal Suture

seam between temporal bones and parietal bones (J on image)

Lambdoidal Suture

Seam between occipital bone and parietal bones (L on image)

Sagittal Suture

Seam between parietal bones