BIO 168 - Axial Skeleton Exam Questions and Answers With Verified Solutions
2025
the axial skelton contains - ✔✔skull, ribs, sternum, vertebrae and has (80 bones)
coronal suture - ✔✔between frontal and parietal bones
sagitall suture - ✔✔Joint between parietal bones
Lambdoidal Suture (Skull) - ✔✔between parietal and occipital bones
squamosal suture - ✔✔between temporal and parietal bones
temporozygomatic suture - ✔✔Suture between temporal and zygomatic bones
anterior (frontal) fontanel - ✔✔in area where the coronal suture meets the sagittal suture
posterior (occipital) fontanel - ✔✔in area where lambdoidal suture meets the sagittal suture
anterolateral fontanel (sphenoidal) - ✔✔-are small and irregular in shape
-normally, they close about 3 months after birth.
posterlateral fontanel (mastoid) - ✔✔
wormian (sutural) bones - ✔✔tiny bones between cranial bones
parietal bone of skull - ✔✔resembles a sandwich of spongy bone between two layers of compact bone
, Temporal bones of cranium - ✔✔Bones that form the sides of the head in the ear region.
external acoustic meatus - ✔✔ear canal
styloid process - ✔✔pole-like process extending downward from the temporal bone on each side of the
skull
mastoid process - ✔✔round projection on the temporal bone behind the ear
zygomatic process - ✔✔a projection of the temporal bone that forms part of the zygoma
mandibular fossa - ✔✔the depression in the temporal bone into which the condyle of the mandible fits
petrous portion - ✔✔raised portion on top section of skull towards bottom
supraorbital margin - ✔✔thick margin of the eye socket that lies beneath the eyebrows
supraorbital foramen (notch) - ✔✔opening above each orbit allowing blood vessels and nerves to pass
glabella of frontal bone - ✔✔between eyebrows
foramen magnum - ✔✔A large opening at the base of the skull through which the brain connects to the
spinal cord.
occipital condyles - ✔✔Rounded projections lateral to the foramen magnum that articulate with the first
cervical vertebra (atlas)
external occipital protuberance - ✔✔bump on back of head
2025
the axial skelton contains - ✔✔skull, ribs, sternum, vertebrae and has (80 bones)
coronal suture - ✔✔between frontal and parietal bones
sagitall suture - ✔✔Joint between parietal bones
Lambdoidal Suture (Skull) - ✔✔between parietal and occipital bones
squamosal suture - ✔✔between temporal and parietal bones
temporozygomatic suture - ✔✔Suture between temporal and zygomatic bones
anterior (frontal) fontanel - ✔✔in area where the coronal suture meets the sagittal suture
posterior (occipital) fontanel - ✔✔in area where lambdoidal suture meets the sagittal suture
anterolateral fontanel (sphenoidal) - ✔✔-are small and irregular in shape
-normally, they close about 3 months after birth.
posterlateral fontanel (mastoid) - ✔✔
wormian (sutural) bones - ✔✔tiny bones between cranial bones
parietal bone of skull - ✔✔resembles a sandwich of spongy bone between two layers of compact bone
, Temporal bones of cranium - ✔✔Bones that form the sides of the head in the ear region.
external acoustic meatus - ✔✔ear canal
styloid process - ✔✔pole-like process extending downward from the temporal bone on each side of the
skull
mastoid process - ✔✔round projection on the temporal bone behind the ear
zygomatic process - ✔✔a projection of the temporal bone that forms part of the zygoma
mandibular fossa - ✔✔the depression in the temporal bone into which the condyle of the mandible fits
petrous portion - ✔✔raised portion on top section of skull towards bottom
supraorbital margin - ✔✔thick margin of the eye socket that lies beneath the eyebrows
supraorbital foramen (notch) - ✔✔opening above each orbit allowing blood vessels and nerves to pass
glabella of frontal bone - ✔✔between eyebrows
foramen magnum - ✔✔A large opening at the base of the skull through which the brain connects to the
spinal cord.
occipital condyles - ✔✔Rounded projections lateral to the foramen magnum that articulate with the first
cervical vertebra (atlas)
external occipital protuberance - ✔✔bump on back of head
