Lane Medical Library

Bassett Collection of Stereoscopic Images of Human Anatomy

Osteology

Left temporal bone, medial view

Image #39-6

KEYWORDS: Bones cartilage joints.

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Higher resolution images are available for a fee. Contact Drew Bourn, PhD, MLIS.

Osteology
Left temporal bone, medial view
The petrous part of the bone projects into the foreground. The squamous part lies above and to its right, the mastoid portion to the left.
1 . Parietal margin
2 . Parietal incisura
3 . Sigmoid sulcus
4 . Mastoid foramen
5 . Occipital margin
6 . Superior petrous sulcus & subarcuate fossa
7 . Aperture of external vestibular aqueduct
8 . Posterior pyramidal surface
9 . External aperture cochlear canaliculi
10 . Internal acoustic meatus
11 . Posterior pyramidal angle
12 . Inferior pyramidal surface
13 . Temporal bone (squamous part)
14 . Cerebral surface
15 . Groove for posterior branch of middle meningeal artery
16 . Arcuate eminence
17 . Tegmen tympani
18 . Zygomatic process
19 . Sphenoidal margin
20 . Ant. pyramidal surface
21 . Pyramidal apex
22 . Styloid process

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