The Skull Flashcards
What is the appearance of the intersection of the coronal & sagittal sutures called?
bregma
What is the appearance of the intersection of the lambdoid and sagittal sutures called?
lambda
What is the diamond shaped remnant of developing membrane bone at the intersection of the frontal bone with both parietal bones?
the anterior fontanelle
What is the diamond shaped remnant of developing membrane bone at the intersection of the occipital bone with both parietal bones?
the posterior fontanelle
What is the glabella?
the elevation of bone over the frontal sinus between he orbits
What is the name given to the outline of the nasal cavity at the front of the skull?
piriform aperture
What is the name given tot he alveolar jug of the canine tooth in the maxilla?
canine eminence
What forms a bullet-like chin?
large mental protuberance
What forms an indented chin?
well developed bilateral mental tubercles and a slight mental protuberance
What is the tip of the external occipital protuberance called?
inion
What is the name of the linear elevation lateral to the external occipital protuberance?
superior nuchal line
What is the appearance of suture intersections just above the zygomatic arch called?
pterion
What bones form the pterion?
parietal, temporal, sphenoid, and frontal bones
What is the appearance of suture intersections just above the mastoid process called?
asterion
What bones form the asterion?
parietal, temporal, and occipital bones
