A treatise on human physiology / By John C. Dalton, jr.

  • Dalton, John Call, 1825-1889.
Date:
1859
Catalogue details

Licence: Public Domain Mark

Credit: A treatise on human physiology / By John C. Dalton, jr. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    CHAPTER III. ON THE EGG, AND THE FEMALE ORGANS OF GENERATION. PAGE Size and appearance of the egg—Vitelline membrane—Vitellus—Germinative vesicle—Germinative spot—Ovaries—Graafian Follicles—Oviducts—Female generative organs of frog—Ovary and oviduct of fowl—Changes in the egg, while passing through the oviduct—Complete fowl's egg—Uterus and ova- ries of the sow—Female generative apparatus of the human subject—Fal- lopian tubes—Body of the uterus—Cervix of the uterus . . 446-457 CHAPTER lY. ON THE SPERMATIC FLUID, AND THE MALE ORGANS OF GENERATION, The spermatozoa—Their varieties in different species—Their movement—For- mation of spermatozoa in the testicles—Accessory male organs of generation —Epididymis — Vas deferens — Vesiculae seminales—Prostate — Cowper's glands—Function of spermatozoa—Physical conditions of fecundation 458-464 CHAPTER y. ON PERIODICAL OVULATION, AND THE FUNCTION OP MENSTRUATION. Periodical Ovulation—Pre-existence of eggs in the ovaries of all animals— Their increased development at the period of puberty—Their successive ripening and periodical discharge—Discharge of eggs independently of sexual intercourse—Rupture of Graafian follicle, and expulsion of the egg—Pheno- mena of cestruation—Menstruation—Correspondence of menstrual periods with periods of ovulation in the lower animals—Discharge of egg during menstrual period—Conditions of its impregnation, after leaving the ovary 465-477 CHAPTER YI. ON THE CORPUS LUTEUM OF MENSTRUATION AND PREGNANCY. Corpus Luteum of Menstruation—Discharge of blood into the ruptured Graafian follicle—Decolorization of the clot, and hypertrophy of the membrane of the vesicle—Corpus luteum of menstruation, at the end of three weeks—Yellow coloration of convoluted wall—Corpus luteum of menstruation at the end of four weeks—Shrivelling and condensation of its tissues—Its condition at the end of nine weeks—Its final atrophy and disappearance—Corpus Luteum OF Pregnancy—Its continued development after the third week—Appearance at the end of second month—Of fourth month—At the termination of preg- nancy—Its atrophy and disappearance after delivery—Distinctive characters of corpora lutea of menstruation and pregnancy . . . 478-487