XIV 



CONTENTS. 



PAGE 



The Thoracic Duct 941 



Practical Considerations 944 



The Right Lymphatic Duct 945 



The Lymphatics of the Head 945 



Tiie Lymph-Nodes 945 



The Lymph-Vessels 949 



Practical Considerations 955 



The Lymphatics of the Neck 957 



The Lymph-Nodes 957 



The Lymph-Vessels 958 



Practical Considerations 959 



The Lymphatics of the Upper Limb .... 961 



The Lymph-Nodes 961 



The Lymph- Vessels 963 



Practical Considerations 965 



PAGE 



The Lymphatics of the Thorax 966 



The Lymph-Nodes 966 



The Lymph- Vessels 968 



Practical Considerations 971 



The Lymphatics of the Abdomen 972 



The Lymph-Nodes 972 



The Lymph-Vessels 976 



The Lymphatics of the Pelvis 983 



The L)mph-Nodes 983 



The Lymph -Vessels 984 



Practical Considerations 990 



The Lymphatics of the Lower Limb .... 991 



The Lymph-Nodes 991 



The Lymph-Vessels 993 



Practical Considerations 994 



THE NERVOUS SYSTEM. 



General Considerations •. 996 



The Ner\ous Tissues 997 



The Nerve-Cells 997 



The Nerve-Fibres 1000 



Neuroglia 1003 



The Nerve-Trunks 1006 



The Ganglia 1007 



Development of the Nervous Tissues . . . 1009 



Nerve-Terminations 1014 



Motor Endings 1014 



Sensory Endings . . . • 1015 



The Central Nervous System. 



The Spinal Cord 1021 



Membranes 1022 



Cord-Segments 1024 



Form of the Spinal Cord 1026 



Columns of the Cord 1027 



Gray Matter 102S 



Central Canal 1030 



Microscopical Structure 1030 



White Matter 1036 



Fibre Tracts 1039 



Blood-Vessels of Spinal Cord 1047 



Development of Spinal Cord 1049 



Practical Considerations : Spinal Cord. . 1051 



Malformations 1051 



Injuries 1052 



Localization of Lesions 1053 



The Brain 1055 



General Description 1056 



General Development 1058 



Derivatives from the Rhombencephalon 1063 



The Medulla Oblongata 1063 



Internal Structure 1068 



The Pons Varolii 1077 



Internal Structure 1078 



The Cerebellum 1082 



Lobes and Fissures 1084 



Architecture 1088 



Internal Nuclei 1088 



Cerebellar Cortex 1090 



Cerebellar Peduncles 1093 



The Fourth Ventricle 1096 



Development of the Hind-Brain 



Derivatives iioo 



The Medulla iioi 



The Pons 1 103 



The Cerebellum 1 103 



The Mesencephalon 1105 



The Corpora Quadrigemina iioo 



The Cerebral Peduncles 1 107 



The Sylvian Aqueduct 1108 



Internal Structure of the Mid-Brain 11 12 



The Tegmentum 1 112 



The Crusta 1115 



The Median Fillet 1115 



The Posterior Longitudinal Fas- 

 ciculus II 16 



Development of Mid-Brain 1117 



The Fore-Brain 1 1 19 



The Diencephalon 1119 



The Thalamus 1119 



Structure 1120 



Connections 11 21 



The Epithalamus 1123 



The Trigonum Habenulse 11 23 



The Pineal Body 11 24 



The Posterior Commissure 1125 



The Metathalamus 1126 



The Hypothalamus 11 27 



The Subthalamic Region 11 27 



The Corpora Mammillaria 1128 



The Pituitary Body 11 29 



The Third Ventricle 1131 



The Telencephalon 1 132 



The Cerebral Hemispheres 1133 



Cerebral Lobes and Interlobar 



Fissures 1 135 



Lobes .of the Hemispheres 1139 



Frontal Lobe 1 139 



Parietal Lobe 1143 



Occipital Lobe 1145 



Temporal Lobe 1147 



Insula 1 149 



Limbic Lobe 1150 



The Rhinencephalon 1 151 



The Olfactory Lobe 1151 



Architecture of the Hemispheres 1155 



The Corpus Callosum 1155 



The Fornix 1158 



The Septum Lucidum 1159 



The Lateral Ventricles 1160 



Internal Nuclei of the Hemisphere 1169 



The Caudate Nucleus 1 169 



The Lenticular Nucleus 1169 



The Claustrum 1172 



The Amygdaloid Nucleus 1172 



The Internal Capsule 1173 



Structure of the Cerebral Cortex 11 75 



Tlie Nerve-Cells of Cortex 1176 



The Nerve-Fibres of Cortex 11 79 



Variations in Cerebral Cortex ii3o 



White Centre of the Hemisphere 1182 



The Association Fibres 1182 



The Commissural Fibres 1184 



