Roentgenogram of skull, left lateral view

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Image #35-2
Bassett ImageDiagram Image
Legend Image
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.
1 . Coronal suture
2 . Frontal bone (squamous portion)
3 . Location of temporal line left
4 . Frontal sinus
5 . 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)
7 . Greater wing of sphenoid (bordering left middle cranial fossa)
8 . Fossa of lacrimal sac (faintly visible)
9 . Sella turcica
10 . Sphenopalatine foramen (Pterygopalatine fossa visible slightly inferiorly)
11 . Zygomatic bone (faintly visible superimposed on maxillary sinus)
12 . Mental foramen
13 . Inner surface of cranial vault in midsagittal plane
14 . Parietal bone (grooves for middle meningeal artery visible anteriorly; channels for temporal posterior diploic vein visible posteriorly)
15 . Squamous suture
16 . Temporal bone (squamous part)
17 . Lambdoidal suture
18 . Mastoid cells (extending into temporal bone (squamous part)
19 . Location of external acoustic meatus
20 . Transverse sinus leading anteriorly into sigmoid sinus
21 . External occipital protuberance
22 . Mastoid process (occipital condyles visible slightly anteriorly)
23 . Zygomatic arch left (faintly visible)
24 . Pterygoid process of sphenoid bone
25 . Hard palate (inferior surface in midline)
26 . Mandibular canal