The Skeleton Flashcards
The human skeleton consists of a total of ____bones
206
____ bones of 206 bones of the skeleton make up the AXIAL skeleton
80
___ bones of the 206 bones of the skeleton make up the APPENDICULAR skeleton
126
The AXIAL skeleton consists of 5 major parts
1) skull
2) ribs
3) hyoid bone
4) vertebral column
5) sternum
The APPENDICULAR skeleton consists of 4 major regions
1) pectoral region
2) upper extremities
3) pelvic region
4) lower extremities
There are _____bones that make up the SKULL
28 (some texts say 22 and do NOT include auditory ossicles)
This is the skull MINUS the mandible
Cranium
The TOP of the skull or another name for the skullcap
Calvaria/Calva
The THREE parts of the Skull
1) neurocranium
2) facial skeleton/sphlanchnocranium
3) auditory ossicles
A part of the skull that consists of the bones that SURROUND the BRAIN. 8 total bones have been identified.
Neurocranium
The 8 bones that make up the Neurocranium
Unpaired
1) ethmoid
2) sphenoid
3) occipital
4) frontal
Paired
1) temporal
2) parietal
The bones that support the FACE or the front of the head. There are 14 total bones.
Facial skeleton/sphlanchnocranium
The 14 bones that make up the Facial skeleton/sphlanchnocranium
Unpaired
1) vomer
2) mandible
Paired
1) nasal
2) lacrimal
3) palatine
4) maxilla
5) zygomatic
6) inferior nasal concha
This visceral cranium includes the facial skeleton MINUS the mandible
Sphlanchnocranium
Bones of the middle ear located WITHIN the temporal bone. 6 total bones are identified
Auditory ossicles
6 bones that make up the auditory ossicles
Paired
1) stapes (stirrup)
2) incus (anvil)
3) malleus (hammer)
This SINGLE bone is located BELOW the tongue and ABOVE the larynx. It is composed of 5 small bones.
Hyoid
5 small bones making up the Hyoid bone
1) body
2) two lesser cornu
3) two greater cornu
There are a total of ____bones that make up the adult VERTEBRAL COLUMN
26
____ of the 26 bones are PRESACRAL in location and make up the SPINE
24
The 24 Presacral bones are collectively referred to as this
Spine
The Spine is comprised of 3 types of vertebrae
1) cervical
2) thoracic
3) lumbar
These two bones are complete the vertebral column
Sacrum and Coccyx
A SINGLE bone composed of 3 regions that may remain isolated from each other for a variable time period.
Sternum
Three regions that make up the Sternum
1) manubrium sterni
2) corpus sterni (gladiolus/body)
3) xiphoid process
There are a total of 24 bones (12 pairs) that make up this group of bones
Ribs