Middle 'I'tirbinate Hone Antrum of HioiiMoiti-: Coronoid Process 



I 



Nasal Septum 



Pterygoid Process 



3rd Division of 

 5th Nerve 



EUSTACHIAN Tube 



Occipital lione 



Internal Carotid 

 Artery 



Tympanic Cavitj* 



'r^'Tf Jf^Aw j Temporal Muscle 



massetcr Muscle 



External Pterygoid 

 Muscle 



Par<.tid Gland 



M Articular Cartilage 



Temporal Artery 



Ili-ad of Mandible 



F.xlcrnal Auditory 

 Meatus 



^^ Facial KcTvc 



:\rastoid Cells 



Lateral Sii 



Cerebellum 



Fig. 21. Horizontal Section of the Head. Organ of Healing and suiTounding Parts. 



Left side, viewed frcuii below. — i\at. Size. 



^^fMM 



Internal Carotid 



Artery 



Tympanic Cavity 



Superior Petrosal 

 Sinus 



Facial Nerve 



Auditory Nerve 

 Tympanic Nerve^ 



Promontory 



Umbo. Malleus 



Fenestra Ovalis 



Stapes 



Pyramid 



Chorda Tjinpani 



Head of Lower Jaw 



Tympanic ^Icnibrane 



Long Process of Incus 



External Auditory 

 Canal 



Mastoid Cells 



Lateral Sinus 



Facial Nerve 



Fig. 22. Part of Fig. 21 : Tympanic Cavity and surrounding Parts. X ^y.. 



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