2. The Skeleton: The Axial Skeleton Flashcards
How many bones form the typical adult appendicular skeleton?
126 bones
How many bones form the typical adult axial skeleton?
80 bones
What bones form the axial skeleton?
the skull, hyoid, vertebral column, sternum and ribs
What is the name given to the adult skull minus the mandible?
the cranium
What is the total number of bones forming the typical adult skull?
28 bones
How many bones form the typical adult neurocranium?
8 bones
What bones form the facial skeleton?
mandible, vomer, nasal, maxilla, lacrimal, inferior nasal concha, palatine and zygomatic
How many bones comprise the typical adult auditory ossicles?
6 bones
How many bones form the facial skeleton (splanchnocranium or visceral skeleton)?
14 bones
How many bones are present in the adult hyoid?
1 bone
What is the number of bones comprising each region of the typical adult spinal column or vertebral column?
7 cervical, 12 thoracic, and 5 lumbar vertebrae, 1 sacrum and 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
What is the definition of “spine” as it pertains to the vertebral column?
the pre-sacral region of the vertebral column or spinal column
How many bones are present in the typical adult sternum?
1 bone