196 



ARTICULATIONS. 



The Internal Lateral Ligament (fig. 122) is a long, thin, and loose band, 

 attached above to the spinous process of the sphenoid bone, and, becoming broader 

 as it descends, is inserted into the inner margin of the dental foramen. Its outer 



Fig. 121. Temporo-maxillary Articulation. External View. 



surface is in relation above with the External pterygoid muscle; lower down it is 

 separated from the neck of the condyle by the internal maxillary artery; and still 



more inferiorly the in- 

 Fig. 122. Temporo-maxillary Articulation. Internal View. ferior dental vessels and 



nerve separate it from 

 the ramus of the jaw. 

 Internally it is in rela- 

 tion with the Internal 

 pterygoid. 



The Stylo-maxillary 

 Ligament is a thin apo- 

 neurotic cord, which ex- 

 tends from near the apex 

 of the styloid process of 

 the temporal bone, to 

 the angle and posterior 

 border of the ramus of 

 the lower jaw, between 

 the Masseter and In- 

 ternal pterygoid mus- 

 cles. This ligament 

 separates the parotid 

 from the submaxillary 

 gland, and has attached 

 to its inner side, part of 

 the fibres of origin of 

 the Stylo-glossus muscle. Although usually classed among the ligaments of the 

 law, it can only be considered as an accessory in the articulation. 



