8o8 



INDEX. 



Muscular, continued. 

 striped, 583. 



structure of, 583-586. 

 unstriped, 580-583. 



situations where found, 582. 

 structure of, ib. 

 in veins, 167. 

 tone, 508. 

 Muscularis Mucosse, 267, 298, 306, 



307- 



Muscularity, 

 of arteries, 138. 

 evidence of, 140. 

 purposes of, 141. 

 of lymphatics, 353. 

 of lymph-hearts, 366. 

 Musical sounds, 614. 

 Myopia, or short-sightedness, 651. 

 Myosin, 15. 



N. 



Nabothi glandulre, 717. 

 Nails, 



chemical composition of, 15. 



structure of, 431. 



growth of, ib. 



Narcotic poisons in stomach, ex- 

 periments on, 293. 

 Nasal cavities in relation to smell, 



Nates (brain), 520. 



Natural organic compounds, 9. 



classification of, 10. 

 Nerve, depressor, 563. 

 Nerve-centres, 465. Sec Cerebel- 

 lum, cerebrum, etc. 



conduction in or through, 484. 



congestion of in asphyxia, 230. 



diffusion or radiation in, 486. 



functions of, 483. 



perception in, 484. 



reflexion in, 486. 

 conditions of, 487. 



transference of impressions in, 485 . 



vaso-motor, 576. 

 Nerve-corpuscles, 473. 



caudate or stellate, 474. 



of retina, 641. 



simple, 474. 

 Nerve-fibres, 465-483. 



axis-cylinder of, 466. 



cerebro-spinal, 465. 



conduction of impressions by, 477. 

 of one kind only, 478. 



1 Nerve-fibres, continiied. 



rate of, 478. 

 continuity of, 470. 

 course of, 470. 



difference in function not attended 



by difference of structure, 47 5. 



effects of injury and division, 479, 



480, 482. 

 fasciculi of, 470. 

 force not generated by, 475. 

 functions of, 474. 



effect of chemical stimulation, 



477- 

 of mechanical irritation, 476, 



479- 



of temperature, 476. 

 impressions on, referred to peri- 

 phery, 481. 

 kinds of, 465. 

 laws of action, 477. 



of motor nerves, 482. 



of sensitive nerves, 478. 

 medullary or white substance of, 



466. 



plexuses of, 470. 

 of retina, 641. 

 size of, 467. 

 structure of, 465. 

 sympathetic, 468. 

 terminations of, 470. 



in cells, 471. 



in free ends, ib. 



in motorial end-plates, ib. 



in networks or plexuses, ib. 



in special terminal organs, ib. 

 Nerves, 



action of stimuli on, 475-477. 



afferent, 475. 



ccntrifugal,475. 



centripetal, ib. 



cerebral, physiology of, 538. Sec 



Cerebral Nerves, 

 efferent, 475. 

 excito- vaso-motor, 577. 

 inhibitory, 131, 475. 

 of motion, or motor, 475. 



laws of action in, 482. 

 respiratory, 226. 

 of sensation, or sensitive, 475. 



laws of action in, 478. 

 of special sense, 538. 

 secretory, 409, 475. 

 spinal, 493. Sec Spinal Nerves, 

 stimuli of, 476. 



