The bony skull Flashcards
What is the cranial vault?
Form floor which protects the brain
What is the skull divided into?
Neurocranium
Viscerocranium
Mandible
Common type seen between bones in the skull?
Sutures (fibrous)
What are the bones in the skull made up of?
External and internal compact bone seperated by spongy bone known as diploe
What houses red marrow?
Spongy bone (diploe)
Label
What are sutures?
Tyoe of syndesmosis joint (fibrous connective tissue joint)
What does the saggital suture lie between?
Parietal and partietal bone
What does the coronal suture lie between?
Frontal
Parietal
What does the lamboid suture lie between?
Parietal
Occipital
What are bones of skullcap connected with in skull?
Fonatelles. Areas of fibros tissue
Bulging or depression of these can be a sign of an issue
What are the names of the fonatanelles?
Posterior- Junction of the 2 partietal bones and the occipital bone- Clos e first- First few months of infants life
Anterior- Junction of the saggital suture, frontal suture and coronal suture. Soft until about 2 years old
Label
Label
A- Occipital protuberance- Occipital bone
B- Mastoid process- Temporal bone
C- Zygomatic arch- Zygomatic and temproal bone
D- Styloid process- Temporal bone
E- Occipital condyles- Occipital bone
What lies in the pituitary fossa?
The pituitary gland
What passes through the foraemen magnum?
Spinal cord
Right and left vertebral arteries
Label
Unamed one is maxillary sinus
What are the 3 small bones that play a role in hearing?
Malleous
Incus
Stapes
Where are the small bones that play a role in hearing found?
Petrous part of the temporal bone
