Axial Skeleton (Intro + Superior View of the Skull) Flashcards
What does the axial skeleton form?
upright of the body
The axial skeleton is divided into what parts?
- skull
- auditory ossicles
- hyoid bone
- vetrebral column
- thoraic cage or rib cage
What does the axial skeleton protect?
- brain
- spinal cord
- vital organs within the rib cage
Bones of the head form what?
Skull or cranium
How many bones does the skull have?
22 bones
Bones of the skull can be divided into:
bones of face and bones of braincase
Braincase has how many bones
8 bones
What is the function of braincase bones?
surround and protect the brain
Enumerate all braincase bones:
- paired parietal
- paired temporal bones
- unpaired frontal
- occipital
- sphenoid
- ethmoid bones
What do the facial bones do ? (Name 3 functions)
- form structure of the face
- support organs of vision
- smell and taste
- provide attachment points for muscles involved in mastication (chewing)
- facial expression
- eye movement
How many facial bones are there?
14
Enumerate the facial bones
- maxilla (2)
- palatine (2)
- lacrimal (2)
- nasal (2)
- inferor nasal concha (2)
- mandible (1)
- vomer (1)
What are braincase bones that are also bones of the face?
ethmoid and frontal bones
These facial bones hold the teeth and are otherwise known as the jaw
Maxillae and mandible
These braincase bones hold the auditory ossicles
temporal bones
