Skull (front view)

Front

#1 (line between yellow and green)

Back

coronal suture

Front

#10

Back

alveolar margins

Front

#15

Back

optic canal

Front

#13

Back

middle nasal concha

Front

#16

Back

superior orbital fissure

Front

#2 (green)

Back

parietal bone

Front

#17

Back

frontal bone

Front

#3 (dark blue)

Back

nasal bone

Front

#5

Back

ethmoid bone

Front

#4 (pink)

Back

sphenoid bone