Topography

Organ areas

Sections

Temporomandibular joint

Caput mandibulae

Discus articularis

Ramus mandibulae

Fig. 112

Temporomandibular joint,

Articulatio temporomandibularis.

1 Meatus acusticus externus

2 Proe. condylaris

3 Discus articularis

4 Os temporale, Fossa mandibularis

5 Os temporale, Tuberculum articulare

6 Incisura mandibulae

7 Proc coronoideus

Fig. 113 a, b

Temporomandibular joint, Articulatio

temporomandibularis;

tomography; lateral projection after injection of a contrast

medium into the joint cavity (arthrography),

a

Mouth closed

b

Mouth opened

The articular disc shifts forward during opening of the mouth.

108, 109