One of the following is an example of wormian (sutural) bones?

VAN-0055

QUESTION

One of the following is an example of wormian (sutural) bones?

OPTIONS

(A) Interfrontals
(B) Parietal
(C) Interchondral
(D) Sphenoid

ANSWER

(A) Interfrontals

EXPLANATION

Wormian bones are small accessory bones that occur within cranial sutures. Interfrontal bones are examples of such sutural bones, whereas parietal and sphenoid are normal major skull bones and interchondral structures are not typical wormian bones.

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