TABLE OF CONTENTS. 



CHAPTER I. 

 THE MENINGES OF THE BRAIN. 



PAGE 



Dura Mater of the Brain : i 



Structure and relations i 



Processes i 



Sinuses 2-5 



Arachnoid granulations (Pacchioni) 5 



Arteries 6-7 



Nerves 7 



Contrasted with dura of spinal cord 7 



Arachnoid of the Brain : 8 



Structure 8 



Relations, subarachnoid spaces. 8-9 



Vessels and nerves 9 



Contrasted with arachnoid of the cord 9 



Pia Mater of the Brain : 9 



Structure and relations 9-10 



Chorioid tela of third and fourth ventricles 10 



Arteries and veins 10-13 



Nerves 13 



Contrasted with pia of spinal cord 13 



Blood Supply of the Brain: 14-30 



Carotid and vertebral arteries 14 



A. Cerebral Circulation, Arteries : 14-2 1 



Arterial circle (Willisi) and branches 14-15 



Ai. Cortical system of arteries 15-18 



Anterior cerebral artery 16 



Middle cerebral artery 16-17 



Posterior cerebral artery 17 



Chorioidal arteries, posterior and anterior 17-18 



A2. Ganglionic system of arteries 18-21 



vii 



