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Multiple Choice
Which anatomical term refers to the bony ridge located above the eye sockets on the frontal bone of the skull?
A
External occipital protuberance
B
Supraorbital margin
C
Mastoid process
D
Mental foramen
Verified step by step guidance
1
Step 1: Begin by identifying the anatomical location described in the question. The bony ridge above the eye sockets is part of the frontal bone, which is located in the anterior portion of the skull.
Step 2: Understand the term 'supraorbital margin.' The prefix 'supra-' means 'above,' and 'orbital' refers to the eye sockets. Therefore, the supraorbital margin is the ridge located above the eye sockets on the frontal bone.
Step 3: Compare the other options provided in the question: 'External occipital protuberance' refers to a bony projection on the posterior aspect of the skull, 'Mastoid process' is a bony prominence located behind the ear on the temporal bone, and 'Mental foramen' refers to openings in the mandible (lower jaw). None of these match the description of the ridge above the eye sockets.
Step 4: Confirm that the correct anatomical term for the bony ridge above the eye sockets is 'supraorbital margin,' as it directly corresponds to the location described in the question.
Step 5: To reinforce understanding, visualize or refer to a diagram of the skull to locate the supraorbital margin on the frontal bone and distinguish it from the other anatomical structures mentioned in the options.