Which of the Following Bony Features Listed Does NOT Serve

Question

Which of the following bony features listed does NOT serve as an opening in bone?
A)Foramen
B)Canal
C)Sulcus
D)Fissure

Accepted Answer

Foramen, canal, and fissure all serve as openings in bones through which nerves, blood vessels, or other structures can pass. A sulcus is a groove or indentation on the surface of a bone, but does not provide an opening.