A _______ is an Air Space Lined with Mucous Membrane

Question

A _______ is an air space lined with mucous membrane found in certain cranial bones.
A) foramen
B) sinus
C) meatus
D) suture

Accepted Answer

Sinuses are air spaces lined with mucous membrane found in certain cranial bones, while foramen are openings in bones through which blood vessels, nerves or ligaments pass, meatus are also openings but specifically for air or fluid, and sutures are fibrous joints between bone plates in the skull.