Day 3 (Bone surface features cont.; The skeleton-Intro; the axial skeleton; arthrology; cartilage joints) Flashcards
What is the definition of an osseous fissure?
an irregular slit-like or crack-like appearance between the surfaces of adjacent bones
What are the categories of osseous facets?
flat facets and rounded facets
What are the categories of rounded osseous facets?
articular heads and articular condyles
How many bones form the typical adult skeleton?
206 bones
What are the subdivisions of the skeleton?
the axial skeleton and appendicular skeleton
How many bones form the typical adult appendicular skeleton?
126 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 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 skeleton) and the auditory ossicles
What is the total number of bones forming the typical adult skull?
28 bones
What bones form the neurocranium of the typical adult skull?
the frontal, parietal, temporal, occipital, sphenoid and ethmoid
How many bones form the typical adult neurocranium?
8 bones
How many bones form the facial skeleton (splanchnocranium or visceral skeleton)?
14 bones
What is the name given to the presacral region of the typical adult vertebral column or spinal column?
the spine
