The physiology of the circulation in plants : in the lower animals, and in man : being a course of lectures delivered at surgeons' hall to the president, fellows, etc of the Royal college of surgeons of Edinburgh, in the summer of 1872 . pare withsame letters in Fig. 77. 1 In the posthumous work of Dr William Hunter ( An Anatomical Descriptionof the Human Gravid Uterus), edited by Dr M. Baillie in 1794, the decidua isdescribed as under :— This membrane is an efflorescence of the internal coat ofthe uterus itself. . It may be said to be the internal membrane ofthe uterus. . It is really the int
The physiology of the circulation in plants : in the lower animals, and in man : being a course of lectures delivered at surgeons' hall to the president, fellows, etc of the Royal college of surgeons of Edinburgh, in the summer of 1872 . pare withsame letters in Fig. 77. 1 In the posthumous work of Dr William Hunter ( An Anatomical Descriptionof the Human Gravid Uterus), edited by Dr M. Baillie in 1794, the decidua isdescribed as under :— This membrane is an efflorescence of the internal coat ofthe uterus itself. . It may be said to be the internal membrane ofthe uterus. . It is really the internal lamella of the uterus. 2 This hypothesis is based upon what may turn out a purely accidentaloccurrence, viz., the discovery by Bischoff of the presence in the guineapig ofan ovum in the bottom of a uterine follicle. 3 At the part where the uterine expansion of the decidua is interrupted bythe reflexion inwards of the decidua reflexa, and where the ovum entered, theplace of the decidua vera is supplied by another layer similar to it, and connectedat its margins with it, the decidua serotina.—Kirlcess Physiology, p. 661, thirdedition, 1856. 4 Dr Arthur Farre is of opinion that the decidua reflexa is in part formed. PHYSIOLOGY OF THE CIRCULATION. 113 These views, I need scarcely add, are hypothetical, and the termsemployed in explaining them arbitrary. As there are no sufficientanatomical proofs, that the mucous membrane of the uterus duringpregnancy deports itself as described, I propose abandoning theterms decidua vera, decidua reflexa, and decidua serotina. I willtherefore, when speaking of the lining membrane of the uterus,refer to it simply as such, always specifying the portion meant. That the uterine mucous membrane does not require to growaround and over the ovum during pregnancy, is proved by this, thatin extra-uterine fcetation the uterine mucous membrane is remarks apply to Fallopian-tube fcetation, although herethe conditions more closely resem
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