. Woman : her sex and love life. ess each normal ejaculation of se-men contains between a quarter and half a millionspermatozoa. The Graafian Follicles. Each primitive or primor-dial ovum * is imbedded in a little vesicle or fol-licle, which is generally known, as Graafian follicle,and there are as many Graafian follicles as thereare ova. (The Graafian follicles were first de-scribed about 250 years ago—in 1672—by a Delftphysician named De Graaf, hence the name.) Untilpuberty, that is the commencement of menstruation,the Graafian follicles with the oocytes or primitive * The o\aim is really th
. Woman : her sex and love life. ess each normal ejaculation of se-men contains between a quarter and half a millionspermatozoa. The Graafian Follicles. Each primitive or primor-dial ovum * is imbedded in a little vesicle or fol-licle, which is generally known, as Graafian follicle,and there are as many Graafian follicles as thereare ova. (The Graafian follicles were first de-scribed about 250 years ago—in 1672—by a Delftphysician named De Graaf, hence the name.) Untilpuberty, that is the commencement of menstruation,the Graafian follicles with the oocytes or primitive * The o\aim is really the fully mature egg ready for fecundation;before maturity it should not be called ovum but oocyte; and inadvanced treatises it is so referred to. But here ovum will do forboth the unripe and ripe egg. PHYSIOLOGY OF THE SEX ORGANS 53 ova are in a more or less dormant condition. Butwith the onset of puberty there commences a periodof intense activity in the ovaries. This period ofactivity is repeated regularly once a month, and. Section op Ovaey. 1. Graafian follicle in the earliest stage. 2, 3, 4. Follicles in more advanced stages. 5, 7. Almost mature follicle. 6. Follicle from which the ovum has , Corpus luteum. it constitutes the process of ovulation and men-struation. The two processes are closely thoughnot causally connected. Ovulation consists in themonthly maturation and extrusion of a ripe ovum;menstruation, which will be further discussed in aseparate chapter, consists in the monthly dischargeof blood, mixed with mucus from the inside liningof the uterus. Every twenty-eight days, from the 54 WOMAN: HER SEX AND LOVE LIFE time of puberty to the time of the menopause, aGraafian follicle bursts and an ovum is extrudedfrom the ovary. Before the follicle bursts, it swellsand enlarges and reaches the surface of the ovary;the whole follicle is congested with blood, but atone point near the surface of the ovary it is paleand thin, and here the rupture takes place. Cor
Size: 1864px × 1340px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1900, bookdecade1910, booksubjectsex, booksubjectwomen
