20 



CONTENTS. 



Tunics of, sclerotic 825 



Cornea 826 



Choroid 828 



Ciliary Body 829 



Ciliary Muscle 830 



Iris 830 



Membrana Pupillaris 832 



Ciliary Muscle 832 



Eetina 832 



Structure of Eetina 833 



Structure of Eetina at Yellow Spot 838 



Arteria Centralis Betinae 839 



The Humors of the Eye. 



Aqueous Humor 839 



Anterior Chamber 839 



Posterior Chamber 839 



Vitreous Body 839 



Suspensory Ligament of Lens 840 



Canal of Petit 840 



Crystalline Lens and its Capsule 840 



Changes produced in the Lens by Age .... 841 



Vessels of the Globe of the Eye 841 



Nerves of the Eyeball 841 



Surgical Anatomy of Eye 841 



The Appendages of the Eye. 



Eyebrows 843 



Eyelids 843 



Eyelashes 843 



Structure of the Eyelids 843 



Tarsal Plates 843 



Meibomian Glands 844 



Conjunctiva 845 



Carunculse Lachry males 845 



The Lachrymal Apparatus. 



Lachrymal Gland 846 



Canals 846 



" Sac 847 



Nasal Duct 847 



Surface Form of Papebral Fissure 847 



Surgical Anatomy 847 



THE EAR. 

 The External Ear. 



Pinna, or Auricle 848 



Structure of Auricle . . . 849 



PAGE 



Ligaments of the Pinna 849 



Muscles of the Pinna 850 



Arteries, Veins, and Nerves of the Pinna . . 850 



Auditory Canal 851 



Surface Form 852 



The Middle Ear, or Tympanum. 



Cavity of Tympanum 852 



Eoof of the Tympanic Cavity 853 



Floor of the Tympanic Cavity 853 



Outer Wall of the Tympanic Cavity .... 853 



Internal Wall of the Tympanic Cavity . . . 853 



Posterior Wall of the Tympanic Cavity . . . 854 



Anterior Wall of the Tympanic Cavity . . . 854 



Eustachian Tube 855 



Membraua Tympani 855 



Structure of 855 



Ossicles of the Tympanum 856 



Ligaments of the Ossicula 857 



Muscles of the Tympanum 857 



Mucous Membrane of Tympanum 858 



Arteries of Tympanum 858 



Veins and Nerves of Tympanum 858 



The Internal Ear, or Labyrinth. 



Osseous Labyrinth 859 



Vestibule 859 



Semicircular Canals : 



Superior Semicircular Canal 860 



Posterior Semicircular Canal 860 



External Semicircular Canal 860 



Cochlea : 



Central Axis of, or Modiolus 861 



Bony Canal of 861 



Osseous Lamina Spiralis 862 



Membranous Labyrinth 862 



Utricle and Saccule 862 



Semicircular Canals 862 



Cochlea 863 



Scala Tympaui, Scala Vestibuli, and 



Scala 'Media 863 



Organ of Corti 864 



Vessels of the Labyrinth 866 



Auditory Nerve 



Vestibular Nerve 867 



Cochlear Nerve 867 



Surgical Anatomy 867 



THE ORGANS OF DIGESTION. 



Subdivisions of the Alimentary Canal .... 869 



The Mouth 869 



The Lips 869 



The Cheeks 870 



The Gums 870 



THE TEETH. 



General Characters of 871 



Permanent Teeth 871 



Incisors 871 



Canine "... 872 



Bicuspids 872 



Molars 873 



Temporary, or Milk Teeth 873 



Structure of the Teeth 874 



Ivory or Dentine 876 



Enamel 877 



Cortical Substance 878 



Development of the Teeth 878 



of the Permanent Teeth . . . 881 



Eruption of the Teeth 881 



THE PALATE. 



Hard Palate 883 



Soft Palate 883 



Uvula, Pillars of the Soft Palate 883 



Mucous Membrane and Aponeurosis .... 883 



Muscles of Soft Palate .... . 884 



The Tonsils. 



Arteries 



Veins and Nerves of Tonsils . 



THE SALIVARY GLANDS. 



Parotid Gland. 

 Situation and Relations 



Stenson's Duct 



Surface Form 



Vessels and Nerves of Parotid Gland . . . 



The Submaxillary Gland. 



Situation and Eelations 



Wharton's Duct 



Vessels and Nerves of Submaxillary Gland 



The S'ltblhtgual Gland. 



Situation and Eelations 



Vessels and Nerves of 



Structure of Salivary Glands 



Surface Form of Mouth . 



THE PHARYNX AND (ESOPHAGUS. 



Situation and Eelations 

 Structure of Pharynx . 

 Surgical Anatomy . . . 

 Eelations of (Esophagus 

 Structure .... 



884 

 884 



885 



886 

 886 

 887 



887 

 887 

 887 



890 

 890 

 891 

 891 

 892 



