Osteology
Roentgenogram of skull, left lateral view
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Image #35-2
Osteology
Roentgenogram of skull, left lateral view
The position of sutures on the left (near) surface of skull has been indicated by solid lines in the drawing.
- Coronal suture
- Frontal bone (squamous portion)
- Location of temporal line left
- Frontal sinus
- Superior wall of orbit (the two dotted lines above represent the floor of the left and right anterior cranial fossae) 6. Margin of left orbit (faintly visible in view)
- Greater wing of sphenoid (bordering left middle cranial fossa)
- Fossa of lacrimal sac (faintly visible)
- Sella turcica
- Sphenopalatine foramen (Pterygopalatine fossa visible slightly inferiorly)
- Zygomatic bone (faintly visible superimposed on maxillary sinus)
- Mental foramen
- Inner surface of cranial vault in midsagittal plane
- Parietal bone (grooves for middle meningeal artery visible anteriorly; channels for temporal posterior diploic vein visible posteriorly)
- Squamous suture
- Temporal bone (squamous part)
- Lambdoidal suture
- Mastoid cells (extending into temporal bone (squamous part)
- Location of external acoustic meatus
- Transverse sinus leading anteriorly into sigmoid sinus
- External occipital protuberance
- Mastoid process (occipital condyles visible slightly anteriorly)
- Zygomatic arch left (faintly visible)
- Pterygoid process of sphenoid bone
- Hard palate (inferior surface in midline)
- Mandibular canal