INDEX. 



549 



of individual elements of parts, 336- 

 339 ; often accompanied by formative 

 changes, 344. 



Nutritive Restitution (nutritive restitu- 

 tional power), 345. 



Olfactory Nerve, its termination in nasal 

 mucous membrane, 283-284 ; neuro- 

 glia in, 317-318. 



Optic Nerve, medullary hypertrophy of, 

 in retina, 268 ; termination and con- 

 nections of, in retina, 285-287 ; action 

 of light upon, how rendered possible, 

 288. 



Osseous Tissue, definition of, 453 ; 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, 454-456, 

 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, 847. 



Panniculus adiposus, simple hypertrophy 

 of, 94. 



Papilla} 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, 512-516. 



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- 

 sis (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, 530-531 ; 

 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, 500 ; 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, 508- 

 510 ; difference between form and 

 nature of, 511; comparison between, 

 in animals and vegetables, 532. 



Pearly Tumours, 528-529 ; only infect 

 locally, 530. 



Penis, cauliflower tumours of, 514. 



Perihepatitis, 433. 



Perineuiium, 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, in 

 fractures, 483. 



Periostitis, 467-468. 



Peripolar state of nerves, 328. 



Peristaltic Movements of intestines, 29i. 



Petrifaction of Arteries, 407. 



Petromyzon fluviatilis (lamprey), spinal 

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

 dullary matter in, only simple, pale, 

 nerve-fibres, 310. 



Peyer's patches, really Ivmphatic glands, 

 226-227. 



