INDEX. 



540 



of individual elements of parts, 336- 

 339 ; often accompanied by formative 

 changes, 344. 



Nutritive Restitution (nutritive restitu- 

 tional power), 345. 



Olfactory Xerve, its termination in nasal 

 mucous membrane, 283-284; neuro- 

 glia in, 3 17-3 18. 



Optic Nerve, medullary hypertrophy of, 

 in retina, 268 ; termination and con- 

 nections of, in retina, 286-287 ; action 

 of light upon, how rendered possible, 

 288. 



Osseous Tissue, definition of, 463 ; me- 

 dullary tissue developed out of, 453- 

 454 ; cancer and pus in bone formed 

 by direct conversion of, 454 ; may be 

 formed out of marrow and cartilage, 

 458 ; see Bone. 



Ossification, of arteries, real bone formed 

 in, 403-404, how distinguished from 

 calcification, 407 ; an inflammatory 

 process, 408 ; of cartilage, 454-466, 

 459-461 of marrow, 466-467 of pe- 

 riosteum, 467-470, 472. 



Osteoid Tissue, formation of, in cartilage, 

 461, in medullary tissue, 466-467, in 

 periosteum, 469, 472, 473 ; definition 

 of, 467. 



Osteoma, soft, of the maxillae, 472. 



Osteomalacia. See Mollities ossium. 



Osteoporosis, 465. 



Ovary, cerebral matter in, 95 ; corpora 

 lutea of, 386-387. 



Pacinian (Vaterian) bodies, 274-276. 



Psedarthrocace (scrofulous necrosis of 

 the fingers in children) 462. 



Paget, Mr., on myeloid tumours, 347. 



Panniculus adiposus, simple hypertrophy 

 of, 94. 



Papilke of Skin, network of connective 

 tissue corpuscles in, 60-62, 62, 277 ; 

 fine elastic fibres in, 135, 277 ; nu- 

 cleated cells in, 135 ; nutrition of, 136. 



of bed of nails, 62. 



Papillary portion of skin, 135 ; nucleated 

 cells in, 136. 



Tumours. See Papillomata. 



Papillomata, 512-616. 



Parasitism of New-Formations, 505-606. 



Parenchyma, definition of term, 339. 



Parenchymatous Exudation, 339-340. 



Inflammation, 436. 



Nephritis, its seat in epithelium 



of cortex of kidney, 424. 



Passive Processes, 356-427 ; definition 

 of, 357; different forms of: necrobio- 

 eis (softening), 358-359, induration, 

 360, fat'y metamorphosis (degenera- 



tion) a necrobiotic process 359, 

 amyloid degeneration, 409-427. 

 Pathological Substitutions, how they dif- 

 fer from histological ones, 100. 

 Pathological Tissues (New-Formations), 

 89-97 ; definition of, 88 ; every one 

 a physiological prototype, 88;" John 

 Hunter's comparison of, 89 ; vessels 

 in, Hunter, Rust, and Kluge's notions 

 respecting, 89 ; classification of, 91- 

 92 ; rarely contain elements belong- 

 ing to more highly organized, and 

 especially to muscular and nervous, 

 systems, 91-92 ; chief constituents, 

 cells analogous to epithelial cells and 

 corpuscles of connective tissues, 91- 

 92 ; not necessarily benignant because 

 correspond to physiological tissues, 

 97, really reproduction of these tis- 

 sues, 97 ; greater dryness of, less 

 power of infection, 252, 630-531 ; 

 nearly all derived from connective 

 tissue and its equivalents, 441 ; mode 

 of origin of, a double one (simple cell- 

 division, endogenous formation of 

 cells), 443-448 ; really destructive na- 

 ture of every kind of, 486 ; division 

 of, into homologous and heterologous, 

 486 ; different duration of life of indi- 

 vidual elements of, 600; contagious 

 character of, 503-505 ; parasitism and 

 autonomy of, 505-506 ; nearly all be- 

 gin with a proliferation, 507-508 ; no- 

 menclature and classification of, 608- 

 510 ; difference between form and 

 nature of, 511; comparison between, 

 in animals and vegetables, 632. 



Pearly Tumours, 528-529; only infect 

 locally, 530. 



Penis, cauliflower tumours of, 514. 



Perihepatitis, 433. 



Perineurium, 265 ; compared with neuro- 

 glia, 318; its relation to neurilemma, 

 318. 



Periosteum, structure of, 467, 531 ; de- 

 velopment of bone out of, 467-470 ; 

 (see 451-452); conversion of, into car- 

 tilage, 469 ; transformation (patholo- 

 gical) of, into osteoid tissue and bone, 

 472; formation of bone out of, Ui 

 fractures, 483. 



Periostitis, 467-468. 



Peripolar state of nerves, 328. 



Peristaltic Movements of intestines, 29r. 



Petrifaction of Arteries, 407. 



Petromyzon fluviatilis (lamprey), spinaJ 

 cord of, its structure, 308-310, no me- 

 dullary matter in, only simple, pale, 

 nerve-fibres, 810. 



Peyer's patches, really lymphatic glands, 

 226-227. 



