Skull Flashcards
Calvaria
Skull cap
Basicranium
Basal plate
Viscerocranium
Lower portion of the skull
Neurocranium
Superior portion of the skull
Bone structure of the skull
Spongy bone sandwiched between dense cortical bone
Nasion
Frontonasal and internasal sutures meet
Glabella
Frontal bones superior to root of nose between eyebrows
Bregma
Junction of coronal and sagittal sutures
Vertex
Superior point on the neurocranium
Lambda
Junction point of lambdoid and sagittal sutures
Pterion
Junction point of greater wind of sphenoid, squamous temporal, frontal, and parietal bones
Asterion
Star-shaped junction of parietomastoid, occipitomastoid, lambdoid
Inion
Most prominent point of external occipital protuberance
Fontanelles
soft spots of neonate skulls. Anterior (parietal and frontal bones) and posterior (parietal and occipital bones)
Pneumatic space in the frontal bone
Frontal sinus
What bones form the upper jaw?
Maxillae
What part of the maxillae includes the alveoli of the upper teeth?
Alveolar process
What is the opening for the nasal cavity in the maxillae called?
Piriform aperture
Forms part of the the medial wall of the orbit
Lacrimal bones
Le Fort I Fx
Horizontal fx superior to the maxillary alveolar process, crossing the bony nasal septum
Le Fort II Fx
Entire central part of the face is separated from the rest of the cranium. No zymgomatic involvement
Coronal suture
Frontal bones, parietal bones
Sagittal Suture
Parietal bone articulation
Bregma
Junction of coronal and sagital suture
