a pterygoid process

X-ray (short wavelength electromagnetic radiation) / X-ray (photograph made with X-rays)

(no doubts): clear, obvious, distinct / (appearing; comprehensible by sight): apparent, visible

line / level / beam

fracture (in bone)

to break a bone / to suffer from a broken bone

(attributive) the state of being like a wing; wing-likeness, alar-ness, alary-ness, pterygoid-ness, etc.

inspection, examination, check (usually done by a 3rd party)

to inspect, to examine, to check

he / distal demonstrative, something far off removed from both speaker and listener: that / boyfriend