196 



THE ARTICULATIONS AND LIGAMENTS OF THE HEAD 



Infratemporal crest Crista infratemporalis 

 Capsule of the joint 

 Capsula articularis ; 



Articular eminence Tuberculum articulare 

 Articular portion of the glenoicl fossa / 



Fovea articularis fossa; manibularis ,' / / 



Interartieular disc or meniscus / / 



Discus articulari;, / / / 



External auditory meatus Meatus acustkusxternus 



Mastoid cells 

 Cellulse mastoideas 



- Superior head I of the external 



pterygoid 



- Inferior head J muscle 



Coronoid process 



Proc. coronoideus 



-,1 Sigmoid notch 



Incisura mandibulae 



Tympanic plate / 

 Pars tympanica 

 Capsule of the joint/ 

 Capsula articularis 



Condyle of the inferior maxillary bone/ 

 Capitulum mandibulae 



Neck of the inferior maxillary bone/ 

 Collum mandibulse , 



Styloid process j 

 Processus styloideus 



Stylomandibular or stylomaxillary ligament/ 

 Lig. stylomandibulare 



Ramus of the inferior maxillary bone / 

 Ramus mandibulse 



Angle of the jaw /' 

 Angulus mandibulae 



Body of the inferior 

 maxillary bone 



Corpus mandibulae 



FIG. 427. ARTICULATIO MANDIBULARIS, TEMPOROMANDIBULAR OR TEMPOROMAXILLARY ARTICULATION : 

 Discus ARTICULARIS, INTERARTICULAR Disc OR MENISCUS, AND LIGAMENTUM STYLOMANDIBULARE, 

 STYLOMANDIBULAR OR STYLOMAXILLARY LIGAMENT. RELATIONS OF THE SUPERIOR HEAD OF THE 

 EXTERNAL PTERYGOID MUSCLE TO THE ANTERIOR WALL OF THE CAPSULAR LIGAMENT AND TO 

 THE INTERARTICULAR Disc OR MENISCUS. (RIGHT TEMPOROMANDIBULAR OR TEMPOROMAXILLARY 

 ARTICULATION, DIVIDED IN A PLANE NEARLY APPROACHING THE SAGITTAL; THE INTERNAL PORTION 



BEING FIGURED.) 



The section runs somewhat obliquely forwards and inwards. 



External pterygold plate 



Lamina lateralis processus pterygoidei 



Pterygospinpus ligament 



Lig. purrygospinoMim 



Fibrocartilage of the foramen 

 lacerum medium 



Fibrocartilago basalis 



Petrosphenoidal 

 synchondrosis 



Synchondrosis sphenoj etrosa 



Spinous process of the 



sphenoid bone 



Spina angularis 



Petrous portion of the 



temporal bone 



Pyramis 

 Carotid canal 

 Canalis caroticus 



Jugular or posterior - 

 lacerate foramen 

 Foramen jugulare 



/Middle lacerate foramen 

 Foramen lacerum 



. Petrosphenoidal fissure 



/' Fissura sphenopetrosa 



Petrous portion of the 



temporal bone 



Pyramis 



Petrobasilar fissure 

 .,-- Fissura petro-occipitalis 



Occipitosphenoidal 

 synchondrosis 



Synchondrosis spheno-occipilalis 



Synchondrosis 

 petro-occipitalis 



FIG. 428. FIBROCARTILAGO BASALIS ; FIBROCARTILAGE OF THE FORAMEN LACERUM MEDIUM : 

 SYNCHONDROSES SPHENOPETROSA, PETRO-OCCIPITALIS, ET SPHENO-OCCIPITALIS; PETROSPHENOIDAL, 

 PETROBASILAR, AND OCCIPITOSPHENOIDAL SYNCHONDROSES : LIGAMENTUM PTERYGOSPINOSUM ; 

 PTERYGOSPINOUS LIGAMENT. (THE MIDDLE PORTION OF THE BASE OF THE SKULL, SEEN FROM 

 BELOW.) 



Articulatio mandibuiaris, temporomandibular or temporomaxillary articulation Synchondroses 

 et ligamenta baseos cranii, synchondroses and ligaments of the base of the skull. 



