xx 



CONTENTS. 



CHAPTER VII. 



THE LYMPHATICS. 



General anatomy ... 347 

 Lymphatics of the head and neck 348 

 Lymphatics of the upper extre- 

 mity - - - -349 

 Lymphatics of the lower extre- 

 mity - - - - 350 



Lymphatics of the trunk - - 351 



Lymphatics of the viscera - 352 



Lacteals .... 354 



Thoracic duct .... 354 



Ductus lymphaticus dexter - 356 



CHAPTER VIII. 



THE NERVOUS SYSTEM. 



General anatomy ... 357 

 The brain - - - - 362 

 Membranes of the encephalon - 362 

 Dura mater - ... 363 

 Arachnoid membrane - - 365 

 Pia mater .... 366 

 Cerebrum . - - - 366 

 Lateral ventricle ... 367 

 Fifth ventricle - - - 371 

 Third ventricle - - - 373 

 Fourth ventricle - 374 

 Lining membrane of the ven- 

 tricles .... 375 

 Cerebellum .... 375 

 Base of the brain - - - 376 

 Medulla oblongata - - - 378 

 Diverging fibres ... 380 

 Converging fibres; commissures 382 



Spinal cord .... 383 



Cranial nerves .... 386 



Nerves of special sense - - 386 



Nerves of motion ... 387 



Respiratory nerves - - 390 

 Trifacial nerve - - .398 



Spinal nerves .... 403 



Cervical plexus ... 404 



Brachial plexus ... 407 



Dorsal nerves ... 413 



Lumbar nerves ... 415 



Sacral nerves ... 419 



Sympathetic system ... 425 



Cranial ganglia ... 425 



Cervical ganglia ... 430 



Thoracic ganglia ... 432 



Lumbar ganglia ... 434 



Sacral ganglia ... 434 



CHAPTER IX. 



ORGANS OF SENSE. 



Nose 435 



Nasal fossEe - - - .437 



Eyeball 438 



Sclerotic coat and cornea - 439 

 Choroid coat ; ciliary ligament; 



iris 440 



Retina ; zonula ciliaris - - 443 



Humours - ... 444 



Physiological observations - 446 



Appendages of the eye - - 447 



Lachrymal apparatus - - 448 



Organ of hearing ... 450 



External ear ; pinna ; meatus 450 



Organ of hearing continued. 



Tympanum - - - 452 



Ossicula auditus ... 452 



Muscles of the tympanum - 454 



Internal ear Vestibule - - 456 



Semicircular canals - - 459 



Cochlea - - - - 459 



Membranous labyrinth - - 460 



Organ of taste Tongue - - 462 



Organ of touch Skin - - 464 



Appendages to the skin Nails - 467 



Hairs Sebaceous glands - 467 



Perspiratory ducts Pores - 467 





