INDEX. 



815 



Portal blood, characters of, 96. 

 canals, 322. 

 circulation, 1 1 2. 



function of spleen with regard 



to, 420. 



veins, arrangement of, 322. 

 Portio dura, of seventh nerve, 551. 



mollis, of seventh nerve, 680. 

 Post mortem rigidity. See Eigor 



Mortis. 

 Posture, effects of on the heart's 



action, 135. 

 Potassium, salts of, in fluids and 



tissues, 27. 

 Pregnancy, absence of menstruation 



during, 728. 

 corpus luteum of, 732. 

 influence on blood, 92. 

 Presbyopia, or long-sightedness, 653. 

 Pressure on eye, effects of, 666. 

 Primary membrane, 400, 405. 

 Primitive, dental groove, 63. 



fasciculi and fibrils of muscle, 



584-86. 



groove in embryo, 744. 

 Principles, nitrogenous, 20. 



non-nitrogenous, 19. 

 Process, vermiform, 525. 

 Processus gracilis, 675. 



a cerebello ad testes, 532. 

 Prostate gland, 732. 



functions of secretion unknown, 



.738. 



Protein-compounds, 21. 

 Ptyalin, action of, 270. 

 Puberty, 



changes at period of, 724. 

 indicated by menstruation, 7 2 7- 

 Pudenda, 718. 

 Pulmonary artery, valves of, 118, 



129. 



capillaries, 203. 

 circulation, ill, 219. 

 influence of carbonic acid on,239. 

 of pneumogastric nerve, on 



562. 



velocity of, 190. 

 Pulp of hair, 383. 



of teeth, 60. 

 Pulse, arterial, 155. 

 cause of, ib. 

 dicrotous, 163. 

 difference of time in, 157. 

 explanation of, 160. 



Pulse, arterial, continued. 

 frequency of, 134. 

 influence of age in, ib. 



of food, posture, etc., 135. 

 observations on with sphygmo- 



graph, 157-159. 

 relation of to respiration, 136. 

 tracings of, 159, 162. 

 in large arteries, 162. 

 in radial artery, 163. 

 variations in, 134-36. 

 in capillaries, 172, 173. 

 Pupil of eye, office of, 645. 



relation of third nerve to, 541. 

 Purgative action of bile, 336. 

 Pus, contains albumen, 21. 

 Putrefaction. See Decomposition. 



arrested by gastric fluid, 285. 

 Pylorus, structure of, 274. 



action of, 295, 297. 

 Pyramidal portion of kidney, 442. 

 Pyramids of medulla oblongata, 512, 

 513. 



Q. 

 Quadrupeds, retinae of, 668. 



E. 



Eadiation of impressions, 488, 501. 

 Eectum, 316. 



evacuation of, a reflex act, 506. 



mechanism of, 234. 

 Eeflexion of impressions, 488. 



by medulla oblongata, 516. 



by spinal cord, 5 OI 

 Eeflex actions, 488, 501. 



in accidents, 507. 



conditions necessary to, 489. 



in disease, 508. 



examples of, 502, 506. 



excito-motor and sensori- motor, 

 505, note. 



general rules of, 489. 



independent of mind, 489, 502-6. 



influence of cord on, 501, 509. 



irregular in disease, 489. 



after separation of cord from 

 brain, 502, 506. 



purposive in health, 489. 



relation of fifth nerve to, 547. 



relation to volition, 506. 



to walking, running, etc., 507. 



sustained, 490. 



in tetanus, &c., 508. 



