INDEX. 



803 



I. 



Ideas, connection of with cerebrum, 



Ilenm, 297. 



Ileo-csecal valve, 297, 309. 



structure and action, 311, 345. 

 Image, formation of on retina, 646. 



distinctness of, 647. 



inversion of, 652. 

 Impressions, 



retained and. reproduced in cere- 

 brum, 533. 



Impulse of heart, 122. 

 Incus, 674. 



function of, 686. 



Inflammatory blood, coagulation of, 

 6 7 . 



corpuscles in, 73. 

 Infundibulum, 191. 

 Inhibitory influence of pneumo- 



gastric nerve, 131. 

 Inhibitory nerves, 475. 

 Inorganic elements in human body, 



17- 



Insects, temperature of, 237. 

 Inspiration, 195. 



elastic resistance overcome by, 206. 



force employed in, 204. 

 during apnoea, 206. 



influence of on circulation, 



mechanism of, 195. 

 Instability of organic compounds, 9. 

 Intellectual faculties, relation to 



cerebrum, 532. 



Interarticular nbro-cartilage, 44. 

 Intercellular substance, 27. 

 Intercostal muscles, action in in- 

 spiration, 195. 



in expiration, 199. 

 Interlobular veins, 317. 

 Intestinal canal, development of, 



746, 773- 



Intestines, digestion in, 297. 

 fatty discharges from, 313. 

 gases in, 343. 

 large, digestion in, 340. 



glands of, 310. 



structure of, 309. 

 movements of, 344. 

 .small, changes of food in,<337. 



glands of, 299. 



structure of, 297. 



valvulse cormiventes of, 298. 



174. 



Intestines, continued. 



villi of, 306. 

 Intonation, 621. 

 Intralobular veins, 317. 

 Inversion of images on retina, 652. 



correction of, 653. 

 Involuntary movements originated 



by will, 523. 

 muscles, action of, 602. 



structure of, 581. 

 Iris, 644. 



action of, 540, 648. 



in adaptation to distances, 651. 

 capillaries of, 159. 

 development of, 772. 

 influence of fifth nerve on, 546. 

 of sixth nerve, 541, note. 

 of third nerve, 540. 

 relation of to optic nerve, 540. 

 structure and function of, 644. 

 Iron in parts of body in which found, 



1 8. 



Irritability of muscular tissue, 587. 

 Iter a tertio ad quartum ventricu- 



lum, 531. 

 Ivory of teeth, 51. 



J. 



Jacob's membrane, 640. 



Jacobson's nerve, 553. 



Jejunum, 297. 



Jetting flow of blood in arteries, 137. 



Jumping, 60 1. 



K. 



Keratin, 15. 



Kidney, increased function of one, 



408. 



Kidneys, their structure, 440. 

 blood-vessels of, how distributed, 



443- 



capillaries of, 159, 444. 

 development of, 777. 

 function of, 446. Sec Urine. 

 Malpighian bodies of, 443. 

 tubules of, 441. 



Knee, pain of, in diseased hip, 485, 

 499. 



Labia externa and interns, 717. 

 3 r 2 



