Lecture 4: Skull Flashcards
What are the paired cranial bones?
Temporal
Parietal
What are the unpaired cranial bones?
Frontal
Occipital
Sphenoid
Ethmoid
What are the paired facial bones?
Zygomatic
Lacrimal
Nasal
Palatine
Maxillae
Inferior Nasal Conchae
What are the unpaired facial bones?
Vomer
Mandible
What is the clinical significance of the Pterion landmark on the skull?
Middle Meningeal A. lies just deep to it, can rupture if there is a blow to the side of the head
What is a metopic suture?
Incomplete fusion of the frontal bones in the saggital plane
-can cause clept lip or palate
Why would bone flaps be created during surgery?
Incorporating as much overlying tissue with the bone allows periosteium to heal the best
Can be skin, muscle, fascia, etc.
What 2 bones meet at the coronal suture?
Frontal bone and Parietal bone
What 2 bones meet at the saggital suture?
Both parietal bone
What 2 bones meet at the Lambdoid suture?
Occipital bone and Parietal bone
What 2 bones meet at the Squamosal suture?
Temporal bone and parietal bone
What articulates with each other when nodding your head yes?
Atlas and the Occipital Condyles
What structure is found in the sella turcica?
Pituitary Gland
Clinical Significance: Tumor of pituitary gland can damage optic nerve and cause blindness
What cranial bone contains the foramen rotundum, foramen ovale, and foramen spinosum?
Sphenoid Bone
What blood vessel is transmitted through the foramen spinosum?
Middle Meningeal A.