INDEX 



407 



Pillars of Corti, 387 



Pineal body or gland, 142, 289. 310, 330, 338 



Pisiform, ossification of, 316 



Pituitary body, 339 



Placenta, accessory, 242 



human, 75, 230, 232, 235, 237 

 cotyledons of, 241 

 interyillous spaces of, 241 

 position of, 242 

 relation of fetus to, 241 

 vessels of, 241 , 



praevia, 242 



succenturiate, 242 

 Placentation, 242 

 Placodes, 365 



auditory, 384 



'olfactory, 371 



optic, 376 



Plasm, germ, continuity of, 5 

 Plate, alar, 323, 332, 335, 338 



basal, 239, 240, 323, 332 



blood, 247 



closing, 58, 62, 97, 119, 162 



cribriform, 313 



floor, 322, 324, 332, 338 



lens, 376 



neural, 299 



notochordal, 31, 37 



roof, 322, 332, 338 



urethral, 225 

 Pleura, parietal, 170 



visceral, 170 



Pleural cavity, 55, 62, 184; 188 

 chick, 55 



ccelom, 97 

 Pleuro-pericardial cavity, $2 



membranes, 183, 184, '185, 186 

 Pleuro-peritoneal canal, 184, 



cavities, 1 80, 184 



membranes, 183, 184, 185, 186 

 Plexus, brachial, 355 



chorioid, 142, 143, 334, 338, 342 



lumbo-sacral, 355 

 Plica semilunaris, 383 



venae cavas, 105, 136, 190, 193, 273 



vein of, 273 

 Polar bodies, 1 7 

 Polocytes, 17 

 Polydactyly, 316 



Polymorphonuclear leucocytes, 245 

 Polyphyletic theory of origin of blood ele- 

 ments, 243 

 Polyspermy, 20 

 Pons, 117, 330 



nucleus of, 336 

 Pontine flexure, 327 

 Popliteal artery, 268 

 Portal circulation, 278 



intestinal, 40, 42, 50, 66, 84 



vein, 102, 127, 268, 270 

 Postanal gut, 98 

 Postbranchial bodies, 165 

 Postnatal development, 4 

 Preformation, doctrine of, 2 

 Pregnancy, abdominal, 231 



duration of, 89 



ectopic, 231 



extra -uterine, 231 



Pregnancy, ovarian, 231 



tubal, 231 



uterine glands of, 236 



uterus during, 230 

 Premaxillary palate, 373 

 Premyelocytes, 244, 245, 246 

 Prepucium, 226 

 Prevertebral ganglia, 368 

 Primary excretory ducts, 54, 65, 198, 200 

 Primates, 70 



cleavage of ovum in, 27 

 Primitive choanae, 373 



folds, 32 



groove, 32, 37, 39, 52 



heart, chick, 43 



knot or node, 32, 37, 52 



palate, 373 



pit, 32 



segments, 2, 41 



streak, 32, 37, 41, 52 

 Primordial follicles, 216 

 Proamniotic area, 40, 44 

 Process, coracoid, 316 



costal, 309 



fronto-nasal, 372 



lateral nasal, 147, 372 

 palatine 148 



mandibular, 81, 82, 92, 114, 146, 315, 372 



mastoid, 314 



maxillary, 81, 82, 92, 114, 146, 315. 372 



median nasal, 147, 372, 373 

 palatine, 148 



nasal, 147, 372, 373 



styloid, 314, 315 



vermiform, 176 



xiphoid, 311 

 cleft, 316 



Processus globulares, 372 

 Pronephric ducts, 198 



tubules, 51 

 Pronephros, 53, 196 

 Pronucleus, 18, 20 

 Prophase of mitosis, 13 

 Prosencephalon, 326 



chick, 46 



Prostate gland, 228 

 Prostatic utricle, 220 

 Pubis, ossification of, 316 

 Pulmonary arteries, 101, 123, 170,^256, 263 



ridge, 185 



vein, 123, 170, 256 

 Pulp, dental, 157 



enamel, 155 



Pupillary membrane, 381 

 Pyloric sphincter, 172 

 Pyramids of kidney, 202 



QUADRATE lobe of liver, 193 



RACHISCHISIS, 352 

 Radial artery, 268 



nerve, 356 



Radius, ossification of, 316, 

 Ramus angularis, 270 



arcuatus, 270 



communicans, 354, 366 



dorsal, 354 



gray, 366 



