Multiple choice

Mr. Khanna met with a road accident. After examining his X ray, the doctor told him that the bones containing the bony sinuses have been fractured. Which among the following bones, the doctor must be referring to?

  1. Long bones

  2. Short bones

  3. Flat bones

  4. Sesamoid bones

  5. Irregular bones

Reveal answer Fill a bubble to check yourself
E Correct answer
Explanation

Irregular bones are irregular and complicated. Often this irregular shape is due to their many centers of ossification or because they contain bony sinuses. The bones of the spine, pelvis and some bones of the skull are irregular bones. Examples include the ethmoid and sphenoid bones.