LIST OF ILLUSTRATIONS xvii 



FIG. PAGE 



342. Mucosa of the menstruating uterus 422 



343. Diagram of the structure of the human placenta .... 425 



344. Transection of the wall of the human uterus, with the placenta 



in situ 427 



345. The amnion and chorion at the fifth month 428 



346. Chorion of human placenta at the seventh month .... 429 



347. Chorionic villi from the human placenta at full term . . . 430 



348. Human decidua serotina at the seventh month . . . .431 



349. Margin of the human placenta at full term ..... 432 



350. Transection of the umbilical cord 433 



351. Section of the vaginal wall . . . . . . . 435 



352. Labium minus of an infant . . 436 



353. Human mammary gland, active . . . . . . . 439 



354. Reconstruction of an intralobular duct and its acini, from the 



active mammary gland . . . . . . . . 440 



355. Mammary gland in the resting condition 441 



356. Transection of the human adrenal . . . . . . 444 



357. Same as above, more highly magnified . . . . . 446 



358. The blood vessels of the adrenal . . . . . . .449 



359. Vesicles of the human thyroid gland ...... 452 



360. Aberrant thyroid tissue . . . . . . . .455 



361. Transection of a parathyroid gland . . . . . 456 



362. Central portion of above, more highly magnified . . . . 457 



363. The carotid gland .459 



364. The coccygeal gland . . - : .459 



365. The hypophysis cerebri . . . . . .... 460 



366. Neuroglia from spinal cord ........ 463 



367. A long-rayed astrocyte .......... 464 



368. A short-rayed astrocyte, or mossy cell ...... 465 



369. Neuroglia cells and fibres . . 466 



370. Diagram of a neurone 467 



371. Golgi cell, type I .471 



372. Golgi cell, type II 472 



373. Cerebral vesicles of a chick . . . ... . . .473 



374. Diagram of the migration of neuroblasts toward the marginal veil 



and dorsal nerve root, early stage . . . .. . 476 



375. Transection of the spinal cord of a human embryo of four weeks 476 



376. Transection of the spinal cord of an embryo chick . . . 477 



377. Transection of the spinal cord, third sacral segment . . . 482 



378. Transection of the spinal cord, fifth lumbar segment . . . 483 



379. Transection of the spinal cord, eighth thoracic segment . . 484 



380. Transection of the spinal cord, seventh cervical segment . . 484 



381. Transection of the spinal cord, fourth cervical segment . . 486 



382. Transection of the medulla oblongata, at the level of the motor 



decussation 489 



383. Transection of the medulla oblongata at level of the inferior 



olivary body .......... 491 



1* 



