Bassett Collection of Stereoscopic Images of Human Anatomy

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Osteology

Skull and mandible, inferior view

Image #35-6

KEYWORDS: Bones cartilage joints, Overview.

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Osteology

Skull and mandible, inferior view

The anteroposterior diameter of the foramen magnum is unusually large in this skull. The view of the occipital bone (41-2) demonstrates the more common shape of this opening.

1 .	Zygomaticomaxillary suture
2 .	Mandible
3 .	Greater palatine foramen
4 .	Zygomatic arch
5 .	Posterior border of vomer bone
6 .	Foramen ovale
7 .	Foramen spinosum
8 .	Petrosal part of temporal bone
9 .	Styloid process
10 .	External acoustic meatus
11 .	Stylomastoid foramen
12 .	Mastoid process
13 .	Occipitomastoid suture
14 .	Nasal bone
15 .	Infraorbital foramen
16 .	Body of maxilla
17 .	Median palatine suture & Palatine process of maxilla
18 .	Horizontal plate & Sphenoid.process palatine bone
19 .	Coronoid process
20 .	Pterygoid hamulus
21 .	Lateral plate of pterygoid process
22 .	Medial plate of pterygoid process
23 .	Body sphenoid bone
24 .	Foramen lacerum (lingula of sphenoid bone seen crossing this opening)
25 .	Basal part occipital bone
26 .	Petrooccipital fissure
27 .	Carotid canal
28 .	Jugular fossa
29 .	Occipital condyle
30 .	Sagittal suture (visible through foramen magnum)
31 .	Mastoid foramen
32 .	External occipital crest (unusually prominent)