Principles of Anatomy and Physiology
15th Edition
ISBN: 9781119329398
Author: Gerard J Tortora, Bryan Derrickson
Publisher: John Wiley & Sons Inc
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Textbook Question
Chapter 7, Problem 9CP
Why is the sphenoid bone called the keystone of the cranial floor?
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Chapter 7 Solutions
Principles of Anatomy and Physiology
Ch. 7 - On What basis is the skeleton grouped into the...Ch. 7 - Give examples of long, short, flat, and irregular...Ch. 7 - Prob. 3CPCh. 7 - What is the purpose of the skull?
Ch. 7 - 5. What structures pass through the supraorbital...Ch. 7 - 6. How do the parietal bones relate to the cranial...Ch. 7 - What structures form the zygomatic arch?Ch. 7 - 8. What structures pass through the hypoglossal...Ch. 7 - 9. Why is the sphenoid bone called the keystone of...Ch. 7 - The ethmoid bone forms which other cranial...
Ch. 7 - 11. Which bones form the hard palate? Which bones...Ch. 7 - What structures make up the nasal septum?Ch. 7 - Which foramina and fissures are associated with...Ch. 7 - 14. Define the following: foramen, suture,...Ch. 7 - What are the functions of the hyoid bone?Ch. 7 - 16. What are the functions of the vertebral...Ch. 7 - Describe the four curves of the vertebral column.Ch. 7 - What are the three main parts of a typical...Ch. 7 - What are the principal distinguishing...Ch. 7 - How do the atlas and axis differ from the other...Ch. 7 - Describe several distinguishing features of...Ch. 7 - What are the distinguishing features of the lumbar...Ch. 7 - How many vertebrae fuse to form the sacrum and...Ch. 7 - 24. What bones form the skeleton of the thorax?
Ch. 7 - 25. What are the functions of the bones of the...Ch. 7 - What is the clinical significance of the xiphoid...Ch. 7 - How are ribs classified?Ch. 7 - Jimmy is in a car accident. He can't open his...Ch. 7 - 2. Bubba is a tug-of-war expert. He practices day...Ch. 7 - Prob. 3CTQ
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- Define the ligaments of the vertebral column.arrow_forwardWhich is the lateral-most carpal bone of the proximal row? trapezium hamate pisiform scaphoidarrow_forwardThe middle cranial fossa ________. is bounded anteriorly by die petrous ridge is bounded posteriorly by the lesser wing of the sphenoid bone is divided at the midline by a small area of the ethmoid bone has the foramen rotundum, foramen ovale, and foramen spinosumarrow_forward
- The lambdoid suture joins the parietal bone to the ________. frontal bone occipital bone other parietal bone temporal bonearrow_forwardWhy are the lower bones of the vertebral column larger than the upper onesarrow_forwardThe frontal bone,the supraorbital ridge, and the parietal bones are all parts of thearrow_forward
- How do the parietal bones relate to the cranial cavity?arrow_forwardThe mastoid and styloid processes are found on which skull bones?arrow_forwardSome health practitioners claim that the cranial bones are moveable and that they are able to move them to treat a variety of conditions. Is this likely to be true in an adult? Why or why not?arrow_forward
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