Axial Skeleton 1 Flashcards
How many bones form the typical adult skeleton?
206
What are the subdivisions of the skeleton?
The axial skeleton & appendicular skeleton
How many bones form the typical adult appendicular skeleton?
126 bones
How many bones form the typical adult axial skeleton?
80
What bones form the axial skeleton?
The skull, hyoid, vertebral column, sternum, & ribs
What is the total number of bones forming the typical adult skull?
28
What is the name given to the adult skull minus the mandible?
The cranium
What are the names given to the top of the adult skull?
The calvaria or calva
What are the categories of bone forming the typical adult skull?
The neurocranium, the facial skeleton (splanchnocranium or visceral cranium) and the auditory ossicles
What is the neurocranium?
The bones that support or protect the brain
How many bones form the typical adult neurocranium?
8
What bones form the neurocranium of the typical adult skull?
Frontal, parietal, temporal, occipital, sphenoid, & ethmoid
How many bones form the facial skeleton (splanchnocranium or visceral skeleton?
14 bones
What is the facial skeleton (splancocranium or visceral cranium)?
The bones that support the face or front of the head
What bones form the facial skeleton?
Mandible, vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, & zygomatic
By strict definition, what is the splanchnocranium?
The bones that support the face minus the mandible
What bones form the splanchnocranium?
Vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine, & zygomatic
How many bones comprise the typical adult auditory ossicles?
6 bones
What bones comprise the typical adult auditory ossicles?
The stapes, incus, & malleus
How many bones are present in the adult hyoid?
1 bone
What bones comprise the typical adult vertebral column or spinal column?
Cervical, thoracic, lumbar vertebrae, and the sacrum & coccyx
What is the number of bones comprising each region of the typical adult spinal column or vertebral column?
7 cervical, 12 thoracic, 5 lumbar, 1 sacrum, 1 coccyx
What is the name given to the presacral region of the typical adult vertebral column or spinal column?
The spine
What is the total number of bones forming the typical adult spine?
24 bones
