Vlll 



INDEX OF PART II. 



Nerves continued. 



construction of, 324 



vessels of, 326 



course of nerve-fibres in, 326 



roots of, 327 



nucleus of origin of, 328 

 Nervi nervorum, terminations of, 337 

 Nervous network, 347 



plexus, 347 



system, general view of, 307 

 Nesbitt on formation of bone, 283 

 Neumann on nucleated red corpuscles in the 

 new-born child, 218 



red marrow-cells, 219 



glycogen in cartilage-cells, 245 



bone-cells, 259 

 Neuroblasts (vtvpov, nerve ; j8A<<rroj, a germ), 



328, 352 

 Neuroglia (y\la, glue), 322 



development of, 352 



Neurokeratin (Kfpas, horn) network in nerve- 

 fibres, 314 

 Neurolemma (A/JUJUO, a skin), 309, 315 



development of, 352 



Newt, pseudopodia in white corpuscles of, 177 

 Nicoladoni on nerves in synovial membranes. 



395 



Noctiluca, flagellum in, 204 

 Nodes of Ranvier, 311 



in the brain and spinal cord, 315 

 Norris on rouleaus, 209 



invisible corpuscles of, 220, n. 

 Nuclear fluid, 1 79 



matrix, 179 

 Nuclein, 182 

 Nucleoli, 1 80 



in amphibian red corpuscle, 213 

 Nucleoplasm, 179 

 Nucleus (a kernel), definition of, 172 



structure of, 179 



chromoplasm of, 179 



pole and antipole of, 180, 185 



membrane of, 182 



chemical nature of, 182 



accessory, 182 



functions of, 183 



division of, 183 



achromatic spindle of, 185 



of red corpuscles, 212 



of white corpuscles, 214 



Nuel on fibrils traversing intercellular spaces, 

 197 



(ECOID, 178, 212, 293 



Olfactory nerve, 316 



Oilier, on regeneration of bone, 283 



Organ of Golgi, 347 



Osier, on blood-platelets, 215 



red marrow-cells, 266 

 Osseous tissue, 254 

 Ossification, intramembranous, 268 



cartilaginous, 272 



irruption stage of, 275 



metaplastic, 278 

 Osteoblasts (ocntov, a bone ; jSActoToj, a germ), 



265, 270, 274 



Osteogen (yewdo>, to form), 269 

 Osteogenic fibres, 269, 277 

 Osteoporosis (it6pos, a passage), 279 



Ostoclasts (KA<O>, to break), 276, 281 

 Oxygen, need of protoplasm for, 176 



PACINIAN corpuscles, 336, 337, 440 

 in the periosteum, 265 

 discoveiy of, 341 

 structure of, 342 

 vessels of, 345 

 core of, 345 

 function of, 345 



in areolar sheath of tendons, 347 

 in synovial membranes, 395 

 in the skin, 417 



Palaemon, medullated nerve-fibres in, 315 

 Pander, blood-islands of, 221, 372 

 Paiiizza on lymphatic hearts, 381, 382, 382, n. 

 Panniculus (a garment) adiposus, 235, 413 

 Papillae of mucous membranes, 408 



of the skin, 415 

 Parablast cells, 241 

 Paraplasm, 174, n. 



Parenchymatous (irap7X l 'M a > interstitial sub- 

 stance) cartilages, 251, n. 

 Parietal bone, ossification in, 268 

 Pavement epithelium, 198 

 Perforating fibres of bone, 261 

 Perichondrium (xtvtyos, cartilage), 244 

 Perilymphangial nodule, 387 

 Perimysium (vtpt, about ; /uO*, a muscle), 285 

 Perineurium (vtvpov, nerve), 325 



origin of sheath of Henle from, 324 

 Periosteum (bfftfov, a bone), 265 



importance of in the regeneration of bone, 



282 



Pernicious anaemia, microcytes in, 208 

 Pertik on neuro-keratin network in nerve- 

 fibres, 314 



Petromyzon, ganglion-cells in, 333 

 Pfeifler, tagmata of, 179 

 Pfeuffer on elastin, 228 

 Pfitzner, on particulate structure of nuclear 



filaments, 182, 186 

 regeneration of plain muscle, 303 

 Pfliiger, egg tubes of, 402 



on nerves in glands, 402 

 Phagocytes ((payftr, to eat ; KVTOS, a bladder), 215 



removal of myelin by, 354 

 Phalanges, ossification in, 276, 280 

 Pia mater, 323 

 Pigment, in nerve-colls, 318 



lymph-glands, 385 

 the skin, 411 

 the hair, 420, 421, 425 

 Pigment-cells, 238 

 Plasma (irAcuro-w, to form), 207 

 Plasma-cells, 232 

 Plastin, 174 



Plexuses, nerve, 327, 346 



Plexus myentericus (/uOs, muscle ; Hvrtpoy, in- 

 testine), 348 

 of Auerbaeh, 348 

 of Meissner, 408 

 Polar cone, 188 

 Pole-corpuscle, 185, 188 

 Primary areolfe, 274 

 Primitive sheath, 309 



Pronucleus, half the usual number of chromo- 

 somes in, 190 



Proteus anguineus. white corpuscle of, 177 

 size of red corpuscle in, 208 



