Axial Skeleton Flashcards
What is the axial skeleton comprised of?
Skull/vertebrae/ribs
Fuse lines where skull bones meet
Sutures
Forehead bone
Frontal bone
Top jaw
Maxilla
Bottom jaw
Mandible
Where left and right mandible meet in the middle
Mandibular symphysis
Wings of the mandible
Ramus of the mandible
The hole @ occipital site
Foramen magnum
Arch of the cheekbone
Zygomatic arch
Back of skull, above foramen magnum
Occipital bone
L&R spherical structures at bottom of occipital bone
Occipital condyles
Bone in between the frontal and occipital bone
Parietal bone
Bridge of the nose bone
Nasal bone
Palette of the mouth
Palatine bone
Symmetrical bulb like bones under occipital condyles
Tympanic bulla
Temple area below parietal bone
Temporal bone
Deep to the frontal bone
Frontal sinus
High in neck above larynx
Hyoid bones
Which vertebra is also known as the atlas?
C1
Which vertebra is known as the axis?
C2
Structures coming off the atlas?
Wings
“Nub” structure in the axis?
Dens
How many cervical vertebrae do dog&cat have?
7
How many thoracic vertebrae do cat&dog have?
13
How many lumbar vertebrae do cat&dog have?
7
How many sacrum vertebrae do cat&dog have?
3
How many cervical vertebra do horses have?
7
How many thoracic vertebra do horses have?
18
How many lumbar vertebra do horses have?
6
How many sacral vertebra do horses have?
5
How many cervical vertebra do cows have?
7
How many thoracic vertebra do cows have?
13
How many lumbar vertebra do cows have?
6
How many sacral vertebra do cows have?
5
What is the tail vertebrae called?
Coccygeal vertebra
What are the processes of the vertebra?
Spinal (dorsal), transverse (lateral), articular (in between each vertebra)
Where is the body of the vertebra?
On the ventral side of each individual vertebra
Difference between vertebral and intervertebral foramen?
Vertebral is where the spinal cord goes through, intervertebral are the holes formed on the sides when two vertebra are put together
What structure “hangs” off the sternum?
Xiphoid process
Foramen near the chin of the mandible
Mental foramen
Foramen above the eyebrows
Supraorbital foramen
Foramen near cheekbone area
Infraorbital foramen