The Axial Skeleton Ch 3 Flashcards
Axial Skeleton
The framework of the body that includes the skull, auditory ossicles, hyoid bones, vertebral column, ribs and sternum
Appendicular Skeleton
The framework of the body that consists of the extremities, shoulder, and pelvic girdle
Append
Add or hang
Cranium
The portion of the skull that encloses the brain
Frontal
Forms the front of the cranial cavity or “front” or cranial portion of the skull
Parietal
Paired bones that form the roof of the caudal cranial cavity
Occipital (Ohck-sihp-ih-tahl)
Forms the caudal aspect of the cranial where the foramen magnum, or the opening for the spinal cord, is located
Foramen
An opening in bone through which tissue passes
Magnum
means large
Temporal
Paired bone that form the sides and base of the cranium
Sphenoid
Paired bones that form part of the base of the skull and parts of the floor and sides of the bony eye socket
Ethmoid
Forms the rostral part of the cranial cavity
Incisive
Forms the rostral part of the hard palate and lower edge of nares
Ptergoid (tahr-ih-goyd)
Forms the lateral wall of the nasopharynx
Zygomatic
Forms the orbit and cheekbone; projections from the temporal and zygomatic bone form the zygomatic arch (cheekbone)
Zygomatic Arch
The cheekbone
Maxilla
Forms the upper jaw
Mandible
Forms the lower jaw
Palatine
Forms part of the hard palate
Lacrimal
Forms the medial part of the orbit
Nasal
Forms the bridge of the nose