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Multiple Choice
Which of the following is a prominent marking found on the parietal bone of the skull?
A
Styloid process
B
Parietal eminence
C
External acoustic meatus
D
Mastoid process
Verified step by step guidance
1
Understand the anatomy of the parietal bone: The parietal bone is a paired bone located on the sides and roof of the skull. It forms part of the cranial cavity and is primarily involved in protecting the brain.
Review the term 'prominent marking': A prominent marking refers to a noticeable feature or structure on a bone that can be identified anatomically.
Analyze the options provided: The styloid process, external acoustic meatus, and mastoid process are markings found on other bones of the skull, such as the temporal bone. These are not associated with the parietal bone.
Focus on the correct answer, 'Parietal eminence': The parietal eminence is a rounded prominence on the external surface of the parietal bone. It is a key anatomical feature of this bone and serves as a landmark for identifying the parietal bone.
Conclude that the parietal eminence is the correct answer because it is the only marking listed that is specific to the parietal bone, distinguishing it from other bones of the skull.