Axial Flashcards
(38 cards)
The vertebral column contains what bones and how many
26 in total- 24 vertebre (7 cervical, 12 thoracic, 5 lumbar), sacrum (5 fused), coccyx (4 fused)
The skull contains what types of bones and how many of each?
8 cranial and 14 facial
The bony thorax consists of what?
12 ribs and the sternum
How many bones in total in the axial skeleton?
80
What are the 8 cranial bones?
Frontal, ethmoid, sphenoid, temporal, maxilla, mandible, parietal, occipital
What does the frontal bone contain?
Supra orbital foremen, glabella, superciliary arch, zygomatic process, squamous region, sinus cavities
What does the ethmoid bone contain?
Cribriform plate, superior and medial nasal conchae, crista galli, sinus cavities
What does the sphenoid bone include?
Superior orbital fissure, sella turcica, optic canal, foramen rotundum, foramen ovale, foramen spinosum, sinus cavities
What do the paired temporal bones include?
External acoustic meatus, mastoid process, styloid process, squamous region, zygomatic process
What do the paired maxilla bones include?
Infraorbital foramen, zygomatic process, largest sinus cavity
What does the mandible include?
Mental foramen, mental process, coronoid process
What do the paired parietal bone include?
Nothing
What does the occipital bone include?
Superior and inferior nuchal lines, foramen magnum, external occipital crest
Which three cranial bones are paired?
Temporal, maxillary, Parietal
Which 2 cranial bones have a squamous region?
Frontal and temporal
Which 3 cranial bones connect to the zygomatic process?
Frontal, temporal, maxillary
Which 4 cranial bones have sinuses?
Frontal, ethmoid, sphenoid, and maxillary
What is the c1 called?
Atlas
What type of body does the c1 have?
No body and no spinous process
What is the c2 called?
Axis
What does the body of c2 look like?
Rudimentary body with Odontoid process
What do the c1 and c2 do?
Together they form a freely moving joint which controls neck rotation
What is the other name for Odontoid process?
Dens
Which is the most prominent vertebrae?
C7, aka vertebra prominens
