Head and neck but better - bones (ty sameer) Flashcards
what is the cranium divided into? Which is which?
neurocranium - brain area
viscerocranium - facial area
bones in neurocranium?
frontal
occipital
parietal
sphenoid
temporal
features on frontal bone?
supraorbital ridge (top of eye socket)
supraorbital foramen
glabella (middle depression between supraorbital ridges)
zygomatic process
features on occipital bone?
superior and inferior nuchal lines
occipital tuberance (between nuchal lines)
foramen magnum
features on temporal bone?
mastoid process (inferolateral)
zygomatic process
external acoustic meatus (ear canal)
styloid process
what type of joints are sutures
fibrous
which suture is between the frontal and parietal bones
coronal suture
which suture is between the two parietal bones
sagittal suture
which suture is between the two parietal bones and the occipital bone
lambdoid suture
what is the area where the frontal parietal, temporal and sphenoid bones join?
why is this clinically relevant?
pterion
weak spot, middle meningeal artery runs behind it
bones in the viscerocranium?
nasal
maxilla
zygomatic
vomer
inferior nasal conchae
lacrimal
palatine
mandible
maxilla features
infraorbital foramen
superior alveolar process (where teeth arise)
zygomatic bones features
frontal, temporal and maxillary processes
which bone lies in the midline of the nasal septum
vomer
lacrimal bone features?
bilateral, sits on medial part of orbit.