A ________ is a Round or Oval Hole or Opening

Question

A ________ is a round or oval hole or opening in a bone.
A) sinus
B) tuberosity
C) trochlea
D) foramen

Accepted Answer

A foramen is a round or oval opening in a bone that serves as a passage for nerves and blood vessels. Sinuses are air-filled cavities in bones, tuberosity is a bony prominence where tendons and muscles attach, and trochlea is a smooth, grooved articular process shaped like a pulley.