XXIV LIST OF ILLUSTRATIONS 



FIGURE PAGE 



450. From the ovarian cortex of an infant, showing many ova in the 



primary follicular stage . . 509 

 451 . Ovum, containing a yolk nucleus ('Dotterkern') at the left and above 



the nucleus . . . . 511 



452. From a section of the ovarian cortex of a new-born kitten . . 513 

 453. A primary ovarian follicle of the human ovary . .514 

 454. A vesicular (Graafian) follicle of the human ovary, somewhat more 



advanced than the preceding . . 515 



455. A nearly ripe Graafian follicle from the ovary of a dog . 516 

 456. Photomicrograph of a section of cat's ovary, showing two primary 



follicles and one vesicular ... . . 517 



457. Section through the peripheral portion of a corpus luteum, showing 



lutein cells . . . .520 



458. Portion of corpus luteum of rabbit . . . . 521 



459. A corpus albicans, from a section of the human ovary . . 522 



460. From a thick section of the ovary of a woman .... 523 



461. Transections of the human oviduct . . . 524 

 462. From a transection of the ampulla of the oviduct, showing the struc- 

 ture of the mucosa ........ 525 



463. Transection of the uterus of an ape . . ... 527 



464. Transection through the body of the human uterus . . . 529 



465. From a transection of the uterine mucosa . . . 530 

 466. From the cervix uteri of a girl of sixteen years, showing the cervical 



glands in section ..... . 531 



467. A gland of the human cervix uteri in longitudinal section . . 532 

 468. From a section of the human uterine mucosa at the first day of men- 

 struation ...... . . 534 



469. A group of decidual cells from the human uterus during the early 



stages of pregnancy ........ 535 



470. Chorionic villi from the human placenta at full term . . . 536 



471. Chorionic villus at various stages of development . . 537 



472. Vaginal mucosa ..... . 538 



473. Transection of a labium minus of an infant .... 540 



474. From the actively secreting mammary gland of a woman . . 542 

 475. Model of a reconstruction of an intralobular duct and its acini from 



the active mammary gland of a woman ..... 543 



476. Portions of several adjacent lobules, and a lactiferous duct, of the 



active mammary gland . . . 544 



477. From a section of the human mammary gland in the resting condition 545 



478. From a section through the human adrenal .... 550 



479. Photomicrograph of suprarenal gland of dog . 551 

 480. More highly magnified region of the preceding section, to show the 



capsule, zona glomerulosa, and a portion of the zona fasciculata . 552 



