. The Principles and practice of gynecology : for students and practitioners. m. Under the surface epitheliumthe blood rolkcts in small quantities, forming what may be termedsubepithelial luematomata. \\itli increasing pressure the blood passesbetween the epithelial cells of the surface, elevating groups of cellsfrom the basement membrajie and occasionally breaking off smallfragments of epithelium. With lessening blood-pressure the hemor-rhage becomes less abundant, and finally the blood ceases to passthrough the epithelial barrier; then follows absorption of the effusedblood from the connecti
. The Principles and practice of gynecology : for students and practitioners. m. Under the surface epitheliumthe blood rolkcts in small quantities, forming what may be termedsubepithelial luematomata. \\itli increasing pressure the blood passesbetween the epithelial cells of the surface, elevating groups of cellsfrom the basement membrajie and occasionally breaking off smallfragments of epithelium. With lessening blood-pressure the hemor-rhage becomes less abundant, and finally the blood ceases to passthrough the epithelial barrier; then follows absorption of the effusedblood from the connective tissue and subepithelial S])aces. Theepithelium that had been lifted from the basement membrane sinksback into its former relations. Any minute areas accidentally denudedare quickly covered by new epithelium regenerated from adjoiningsurface epithelium and gland epithelium. Such are the anatomicalevents of menstruation. Ovulation. Ovulation involves the maturing and rupture of the Graafian follicleand the escape of the ovum. Formerly, menstruation was commonly Figure Section of ovarv (maenifiedV 1. Outer covering. 2. Graafian follicles in earliest stage ofdevelopment, o. Graafian follicles in more advanced stage of development: the largest follicleis almost mature. :. Follicle from which ovum has escaped. 4. Slightly developed Peripheral stroma. 6. Central stroma. 7. Corpus luteum. Modified from Schrons drawingof the ovary of a cat. thought to be an external manifestation of ovulation and dependentupon it: but whatever may be the relation between these two func-tions, that of cause and effect, for the following reasons, is no longertenable : 1. There is a cyclical periodicity in and there is nosuch periodicity in the maturing of the Graafian follicle and dischargeof the ovum ; the process of ovulation is continuous, and occurs evenin the mature fcetus. 22 GENERAL PRINCIPLES. 2. Menstruation sometimes continues after removal of the ovaries. 3.
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectgynecology, bookyear1
