All the following features of skull of a newborn are true except:
Correct Answer: Mastoid process is of adult size
Description: Features of foetal skull:
Large skull / calvaria.
No diploe, which appears by 4th year of life.
Prominent frontal and parietal protuberance.
Presence of metopic suture between 2 halves of frontal bone.
Presence of unossified 6 fontanelles at angles of parietal bones.
Non fusion of styloid process with rest of temporal bone.
Mastoid process is absent, which appears by 2nd year of life.
Paranasal air sinuses are rudimentary/absent.
Internal ear, tympanic cavity, tympanic antrum and ear ossicles are of adult size.
Category:
Anatomy
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