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 



