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what bones contribute to the formation of the orbit ?
Frontal bone, maxilla, lacrimal, ethnoid, sphenoid, palatine, zygomatic.
why can the sphenoid be called the keystone of the cranial floor?
it is in contact with all of the other cranial bones.
vertebral type containing foramina in the transverse processes,through which the vertebral arteries ascend to reach the brain
transverse processes faceted for articulation with ribs;spinous process pointing sharply downward
How does a spinal nerve exit the vertebral column?
It exits from the vertebral column through openings ,invertebral foramina , between adjacent vertebrae.
the major bony components of the thorax (excluding the vertebral column) are the ___ and ____
ribs and sternum
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