Gynaecology for students and practitioners . e cells around the crenated glands, x 65. shows the appearances three days after menstruation, and Fig. 70shows that by the sixth day the continuity of the surface-epitheliumin this particular case was completely restored. (4) The Interval. This is the long phase which follows involutionand precedes the premenstrual stage. It is not a resting stage ; infact there is probably no period of complete rest in the menstrualcycle. During the interval the epithelium of the surface and of the PUBERTY, MENSTRUATION, AND THE MENOPAUSE 93 glands has to be resto
Gynaecology for students and practitioners . e cells around the crenated glands, x 65. shows the appearances three days after menstruation, and Fig. 70shows that by the sixth day the continuity of the surface-epitheliumin this particular case was completely restored. (4) The Interval. This is the long phase which follows involutionand precedes the premenstrual stage. It is not a resting stage ; infact there is probably no period of complete rest in the menstrualcycle. During the interval the epithelium of the surface and of the PUBERTY, MENSTRUATION, AND THE MENOPAUSE 93 glands has to be restored. In the epithelial cells mitotic divisionof nuclei is to be seen. When mitosis begins the postmenstrual phaseof involution is at an end. This nuclear activity may be thereforesaid to start the interval. By the middle of the interval mitoses arenumerous and the epithelial cells become larger and richer in proto-plasm. In the late interval the epithelium is again well developedand commences to secrete. The lumina of the glands increase in. Fig. 66. Another Example of Commencing Menstruation. The compact lamina is not so wel] marked as in the preceding figures. The open reticular appearance of the stroma is characteristic. x 65. size and contain a certain amount of mucus. As the epithelial cellscontinue to grow in width and length, the lining of the dilated glandsbecomes pleated and thrown into tufts, and the lumina become filledwith mucus. With the appearance of the tufts the premenstrualphase begins and the interval ends. The feature therefore of the interval is the restoration of theepithehal cell. The alterations in shape and size of the gland-tubulesare initiated by the changes which occur in each individual epithelialcell. 94 GYNAECOLOGY Phases (3) and (4) make up about sixteen to eighteen days ofthe entire menstrual cycle, the duration of the different phases ishowever very variable. The following important points should be borne in mind : (1) Glands, (a) Postmenstrual
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectgynecology, bookyear1
