SENSE ORGANS AND COMMON INTEGUMENT 



94 



Base of stirrup (O. T. foot-piece) 

 Anvil 

 Body of anvil 

 Long limb 



Lenticular process 

 Short limb 

 Hammer 

 Handle of hammer 

 Head of hammer 

 Neck of hammer 

 Lateral process (O. T. processus 



brevis) 

 Anterior process (O. T. processus 



gracilis) 



Joints of the auditory ossicles 



Joint between anvil and hammer 

 Joint between anvil and stirrup 

 Junction of stirrup and tympanum 



Ligaments of the auditory ossicles 



Anterior ligament of hammer 

 Superior ligament of hammer 

 Lateral ligament of hammer (O. T. 



external ligament) 

 Superior ligament of anvil 

 Posterior ligament of anvil 

 Obturator membrane of stirrup 

 Annular ligament of base of stirrup 

 Fixing muscle of the base of stirrup 



Muscles of the auditory ossicles 



Tensor muscle of the tympanum 

 Stapedius muscle 



Tympanic mucous coat 



Tympanic glands 



Posterior maleolar fold 



Anterior malleolar fold 



Anterior recess of tympanic membrane 



Superior recess of tympanic membrane 



Posterior recess of tympanic membrane 



Fold of anvil 



Fold of stirrup 



Secondary tympanic membrane 



Auditory or Eustachian tube 



Tympanic opening of auditory tube 

 Bony part of auditory tube 



Isthmus of auditory tube 



Tubal air cells 

 Cartilaginous part of auditory tube 



Cartilage of auditory tube 

 Medial layer of cartilage 



Lateral layer of cartilage 

 Membranous layer 

 Mucous membrane 



Mucous glands 



Tubal lymphatic nodules 

 Pharyngeal opening of auditory tube 



External acoustic meatus 



External acoustic opening 



Tympanic incisure 



Cartilaginous external acoustic meatus 



Cartilage of acoustic meatus 



Notches in cartilage of external 



acoustic meatus 

 Layer of tragus 



External ear, or auricle (O. T. 

 pinna) 



Lobule of auricle 



Cartilage of auricle 



Coil 



Limb of coil 



Spine of coil 



Tail of coil 



Anthelix 



Triangular fossa of auricle 



Limbs of anthelix 



Scapha ("skiff") 



Concha ("shell ") of auricle 



Cymba (" boat ") of auricle 



Cavity of concha 



Antitragus 



