. The diagnosis of diseases of women . n tubes. (See Plate II.) These observations establish thefact of tubal menstruation. While our knowledge of the physiology of menstruation is farfrom exact, we are in possession of well-established facts relatingto the anatomy of the menstruating uterus. Moricke, Mandle,Gebhard, Herzog, and others have demonstrated beyond dispute,as do these specimens here presented, that menstruation is not ashedding process, that the loss of epithelium is purely accidentaland limited. Previous observations were at fault in the techniqueof preparing the sections, and in
. The diagnosis of diseases of women . n tubes. (See Plate II.) These observations establish thefact of tubal menstruation. While our knowledge of the physiology of menstruation is farfrom exact, we are in possession of well-established facts relatingto the anatomy of the menstruating uterus. Moricke, Mandle,Gebhard, Herzog, and others have demonstrated beyond dispute,as do these specimens here presented, that menstruation is not ashedding process, that the loss of epithelium is purely accidentaland limited. Previous observations were at fault in the techniqueof preparing the sections, and in the selection of material which hadundergone cadaveric changes and degenerative changes common toinfectious and chronic wasting diseases. The Menstruating Fallopian Tube. It has been the consensus of opinion that the Fallopian tubes donot take part in the menstrual act. A few cases have been observedwhere blood collected in the tube during menstruation, but it isnot proven that in these cases the blood came directly from the PLATE Section of a Fallopian Tube Removed Together with a Menstruating Uterus. A comparison of the section with those shown in Plate I. suggests a closeanalogy. The mucous membrane is engorged with blood, and free blood is foundin the mucosa and in the lumen of the tube. The epithelium was found intact. Since writing the above the author has examined the tubes removed, togetherwith a menstruating uterus, finding, as shown in the accompanying plate, changessimilar to those in the uterus. THE CLINICAL HISTORY 29 mucous membrane of the tube and not from the uterus. I haveobserved the same histological changes during the menstrual periodin the tubes and in the uterus. These changes were seen in threecases of the nine examined. From these observations I am con-vinced that the Fallopian tubes menstruate in a small proportionof cases. (See Plate II.) In the three instances above referred to the identical changeswere found in the mucous membrane of the tube (s
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