XXIV LIST OF ILLUSTBATIONS 



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. Active mammary gland of rabbit (22 days after fecundation). 



The alveoli are filled with milk containing fat droplets . . 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 r More highly magnified region of the preceding section, to show the 



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



