Which bone in the skull is known as the keystone bone, articulates with all other cranial bones?
A. Occipital bone
B. Sphenoid bone
C. temporal bone
D. ethmoid bone
Answer: B
Which bone in the skull is known as the keystone bone, articulates with all other cranial bones?
A. Occipital bone
B. Sphenoid bone
C. temporal bone
D. ethmoid bone
Answer: B