INDEX 583 



Hepatic (vTrap. the liver) artery, 40, 209 



cells, 2IJ9, 212 



their action, 213 



duct. 209 



vein, 209 

 Herbi\orous animals, development of caecum in, 2511 

 Bering, Prof., history of sensations of colour, 434, 436 

 Hiccough. 146 

 Hilus of the kidney, 176 

 Hinge joints. 320 

 Hip-joint, section of, 321 



Histology (icTTos, a tissue ; Aoyos, a discourse), defined, 535 

 Histological measurements, 544, 566 

 Hollow muscles, 302 



Homoiomera (o/ioios, like ; tifpo<;, a di\'ision), 535 

 Hoops, cartilaginous, of trachea, 130 

 Hormone, 26, 164, 259 

 Horn, epidermic cells converted into, 196 

 Humerus (the shoulder) articulation of, 320 

 Humours of the eye, 399 

 Hyaline cartilage. 546 



Hydrochloric (vSuip. water : x^iupo?- pale green) acid in gastric juice. 247 

 Hydrogen (viuip, water : yevfdM, 1 produce) in foods, 108, 226 



sulphuretted, poisonous effects of, 164 

 Hyoid (v. the letter upsilon ; cTSos, shape) bone, 330 

 H>TX)glossal (i/iro, beneath ; yAuJTTa, the tongue) nerve, 501, 517 



Ileo-C.ecax valves. 251 



Ileum (eiAe'w, I roll). 251 



Iliac (ilia, the flanks) arteries, 170 



Ilium, 16 



Illusions, spectral, 441 



Imperfect joints, 319 



Impression, retinal, corrected by sense of touch, 444 



Impulse, cardiac. 57 



nervous, rate of transmission of, 479 

 vaso-constrictor. effect of perspiration on, 203 

 Impulses, nervous conduction of, 68, 160, 299, 4s8 

 decussation of. 520 



require time for propagation, 477, 566 

 Incisor {incido, I cut) teeth, 231 

 Incus (an anvil), 370 

 Inflammation, 80 

 Inhibition of heart-beat, 75 

 Innervation, 452 



Innominatum (nameless) bone, 16 

 Inorganic compounds in foods, 225 

 Insertion of a muscle. 305 

 Inspiration (in, spiro. I breathe) 



heart's action helped by, 167 



mechanism of, 139, 156, 332 



rate of, per minute, 564 

 Integument (in. upon ; tego. I cover), double. 12. 540 

 InteUigence. destroyed by removal of cerebral hemispheres, 524 

 Inter-articular cartilages, 319 

 Intercellular substance of cartilage, 546 

 Intercostal (inter, between ; conta, a rib) muscles, 140, 144 



nerves, 158 



